projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 47d23e36 MCC |
1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | ||
| 3 | .. _CA_GET_CAP: | |
| 4 | ||
| 586027ce | 5 | ========== |
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6 | CA_GET_CAP |
| 7 | ========== | |
| 8 | ||
| 15e7d615 | 9 | Name |
| 586027ce | 10 | ---- |
| 47d23e36 | 11 | |
| 586027ce | 12 | CA_GET_CAP |
| 47d23e36 | 13 | |
| 15e7d615 MCC |
14 | |
| 15 | Synopsis | |
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16 | -------- |
| 17 | ||
| 189d7243 | 18 | .. c:function:: int ioctl(fd, CA_GET_CAP, struct ca_caps *caps) |
| cf8076c3 | 19 | :name: CA_GET_CAP |
| 47d23e36 | 20 | |
| 47d23e36 | 21 | |
| 15e7d615 | 22 | Arguments |
| 586027ce | 23 | --------- |
| 47d23e36 | 24 | |
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25 | ``fd`` |
| 26 | File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`. | |
| 47d23e36 | 27 | |
| cf8076c3 | 28 | ``caps`` |
| 189d7243 | 29 | Pointer to struct :c:type:`ca_caps`. |
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30 | |
| 31 | .. c:type:: struct ca_caps | |
| 32 | ||
| 33 | .. flat-table:: struct ca_caps | |
| 34 | :header-rows: 1 | |
| 35 | :stub-columns: 0 | |
| 36 | ||
| 37 | - | |
| 38 | - type | |
| 39 | - name | |
| 40 | - description | |
| 41 | - | |
| 42 | - unsigned int | |
| 43 | - slot_num | |
| 44 | - total number of CA card and module slots | |
| 45 | - | |
| 46 | - unsigned int | |
| 47 | - slot_type | |
| 48 | - bitmask with all supported slot types | |
| 49 | - | |
| 50 | - unsigned int | |
| 51 | - descr_num | |
| 52 | - total number of descrambler slots (keys) | |
| 53 | - | |
| 54 | - unsigned int | |
| 55 | - descr_type | |
| 56 | - bit mask with all supported descr types | |
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57 | |
| 58 | ||
| 15e7d615 | 59 | Description |
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60 | ----------- |
| 61 | ||
| cf8076c3 | 62 | .. note:: This ioctl is undocumented. Documentation is welcome. |
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63 | |
| 64 | ||
| 15e7d615 | 65 | Return Value |
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66 | ------------ |
| 67 | ||
| 68 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
| 69 | appropriately. The generic error codes are described at the | |
| 70 | :ref:`Generic Error Codes <gen-errors>` chapter. |