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linux_dsm_epyc7002/Documentation/media/uapi/dvb/ca-fopen.rst

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doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
.. -*- coding: utf-8; mode: rst -*-
.. _ca_fopen:
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
=============
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
DVB CA open()
=============
doc-rst: linux_tv: don't use uppercases for syscall sections On the syscall conversions, we used uppercase for the sections, but this is too bold. So, convert them to Camel Case, as it looks visually better. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-06 01:14:35 +07:00
Name
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
----
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
DVB CA open()
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
doc-rst: linux_tv: don't use uppercases for syscall sections On the syscall conversions, we used uppercase for the sections, but this is too bold. So, convert them to Camel Case, as it looks visually better. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-06 01:14:35 +07:00
Synopsis
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
--------
[media] docs-rst: Convert DVB uAPI to use C function references Name all ioctl references and make them match the ioctls that are documented. That will improve the cross-reference index, as it will have all ioctls and syscalls there. While here, improve the documentation, marking the deprecated ioctls, and making the non-deprecated ones more like the rest of the media book. Also, add a notice for ioctls that still require documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-20 02:56:15 +07:00
.. c:function:: int open(const char *name, int flags)
:name: dvb-ca-open
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
doc-rst: linux_tv: don't use uppercases for syscall sections On the syscall conversions, we used uppercase for the sections, but this is too bold. So, convert them to Camel Case, as it looks visually better. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-06 01:14:35 +07:00
Arguments
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
---------
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
[media] docs-rst: Convert DVB uAPI to use C function references Name all ioctl references and make them match the ioctls that are documented. That will improve the cross-reference index, as it will have all ioctls and syscalls there. While here, improve the documentation, marking the deprecated ioctls, and making the non-deprecated ones more like the rest of the media book. Also, add a notice for ioctls that still require documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-20 02:56:15 +07:00
``name``
Name of specific DVB CA device.
``flags``
A bit-wise OR of the following flags:
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
.. flat-table::
:header-rows: 0
:stub-columns: 0
[media] docs-rst: Convert DVB uAPI to use C function references Name all ioctl references and make them match the ioctls that are documented. That will improve the cross-reference index, as it will have all ioctls and syscalls there. While here, improve the documentation, marking the deprecated ioctls, and making the non-deprecated ones more like the rest of the media book. Also, add a notice for ioctls that still require documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-20 02:56:15 +07:00
-
- O_RDONLY
- read-only access
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
[media] docs-rst: Convert DVB uAPI to use C function references Name all ioctl references and make them match the ioctls that are documented. That will improve the cross-reference index, as it will have all ioctls and syscalls there. While here, improve the documentation, marking the deprecated ioctls, and making the non-deprecated ones more like the rest of the media book. Also, add a notice for ioctls that still require documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-20 02:56:15 +07:00
-
- O_RDWR
- read/write access
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
[media] docs-rst: Convert DVB uAPI to use C function references Name all ioctl references and make them match the ioctls that are documented. That will improve the cross-reference index, as it will have all ioctls and syscalls there. While here, improve the documentation, marking the deprecated ioctls, and making the non-deprecated ones more like the rest of the media book. Also, add a notice for ioctls that still require documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-20 02:56:15 +07:00
-
- O_NONBLOCK
- open in non-blocking mode
(blocking mode is the default)
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
doc-rst: linux_tv: don't use uppercases for syscall sections On the syscall conversions, we used uppercase for the sections, but this is too bold. So, convert them to Camel Case, as it looks visually better. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-06 01:14:35 +07:00
Description
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
-----------
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
This system call opens a named ca device (e.g. /dev/ost/ca) for
subsequent use.
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
When an open() call has succeeded, the device will be ready for use. The
significance of blocking or non-blocking mode is described in the
documentation for functions where there is a difference. It does not
affect the semantics of the open() call itself. A device opened in
blocking mode can later be put into non-blocking mode (and vice versa)
using the F_SETFL command of the fcntl system call. This is a standard
system call, documented in the Linux manual page for fcntl. Only one
user can open the CA Device in O_RDWR mode. All other attempts to open
the device in this mode will fail, and an error code will be returned.
doc-rst: linux_tv: don't use uppercases for syscall sections On the syscall conversions, we used uppercase for the sections, but this is too bold. So, convert them to Camel Case, as it looks visually better. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-06 01:14:35 +07:00
Return Value
doc-rst: linux_tv: reformat all syscall pages The syscall pages are written to be used also as man-pages. However, they don't match the format used by kernel-doc generated pages from DocBook. Rewrite them to match it. One side effect is that now all such pages at the book will have the same format, reducing the format differences between DVB and the other parts of the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 17:58:48 +07:00
------------
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
[media] adjust remaining tables at DVB uAPI documentation There are a few broken tables on LaTeX output at the DVB uAPI documentation. Fix them. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-19 18:00:44 +07:00
.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
doc-rst: linux_tv: split DVB function call documentation Just like V4L, split the DVB function calls into one file per system call. This is a requirement for the man pages creator on Sphinx to work, and makes the document easier to maintain. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-05 20:37:31 +07:00
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``ENODEV``
- Device driver not loaded/available.
- .. row 2
- ``EINTERNAL``
- Internal error.
- .. row 3
- ``EBUSY``
- Device or resource busy.
- .. row 4
- ``EINVAL``
- Invalid argument.
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