Mauro Carvalho Chehab | 059b1c5 | 2020-08-26 09:03:09 +0200 | [diff] [blame] | 1 | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
Mauro Carvalho Chehab | f9b2e8a | 2020-09-24 16:56:00 +0200 | [diff] [blame] | 2 | .. c:namespace:: DTV.ca |
Mauro Carvalho Chehab | 54f38fc | 2020-03-04 10:21:39 +0100 | [diff] [blame] | 3 | |
| 4 | .. _CA_GET_SLOT_INFO: |
| 5 | |
| 6 | ================ |
| 7 | CA_GET_SLOT_INFO |
| 8 | ================ |
| 9 | |
| 10 | Name |
| 11 | ---- |
| 12 | |
| 13 | CA_GET_SLOT_INFO |
| 14 | |
Mauro Carvalho Chehab | 54f38fc | 2020-03-04 10:21:39 +0100 | [diff] [blame] | 15 | Synopsis |
| 16 | -------- |
| 17 | |
Mauro Carvalho Chehab | f9b2e8a | 2020-09-24 16:56:00 +0200 | [diff] [blame] | 18 | .. c:macro:: CA_GET_SLOT_INFO |
Mauro Carvalho Chehab | 54f38fc | 2020-03-04 10:21:39 +0100 | [diff] [blame] | 19 | |
Mauro Carvalho Chehab | f9b2e8a | 2020-09-24 16:56:00 +0200 | [diff] [blame] | 20 | ``int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)`` |
Mauro Carvalho Chehab | 54f38fc | 2020-03-04 10:21:39 +0100 | [diff] [blame] | 21 | |
| 22 | Arguments |
| 23 | --------- |
| 24 | |
| 25 | ``fd`` |
Mauro Carvalho Chehab | f9b2e8a | 2020-09-24 16:56:00 +0200 | [diff] [blame] | 26 | File descriptor returned by a previous call to :c:func:`open()`. |
Mauro Carvalho Chehab | 54f38fc | 2020-03-04 10:21:39 +0100 | [diff] [blame] | 27 | |
| 28 | ``info`` |
| 29 | Pointer to struct :c:type:`ca_slot_info`. |
| 30 | |
| 31 | Description |
| 32 | ----------- |
| 33 | |
| 34 | Returns information about a CA slot identified by |
| 35 | :c:type:`ca_slot_info`.slot_num. |
| 36 | |
Mauro Carvalho Chehab | 54f38fc | 2020-03-04 10:21:39 +0100 | [diff] [blame] | 37 | Return Value |
| 38 | ------------ |
| 39 | |
| 40 | On success 0 is returned, and :c:type:`ca_slot_info` is filled. |
| 41 | |
| 42 | On error -1 is returned, and the ``errno`` variable is set |
| 43 | appropriately. |
| 44 | |
| 45 | .. tabularcolumns:: |p{2.5cm}|p{15.0cm}| |
| 46 | |
| 47 | .. flat-table:: |
| 48 | :header-rows: 0 |
| 49 | :stub-columns: 0 |
| 50 | :widths: 1 16 |
| 51 | |
| 52 | - - ``ENODEV`` |
| 53 | - the slot is not available. |
| 54 | |
| 55 | The generic error codes are described at the |
| 56 | :ref:`Generic Error Codes <gen-errors>` chapter. |