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From: Alexandru Ardelean <alexandru.ardelean@analog.com>
To: <linux-kernel@vger.kernel.org>, <linux-iio@vger.kernel.org>
Cc: <lars@metafoo.de>, <Michael.Hennerich@analog.com>,
	<jic23@kernel.org>, <nuno.sa@analog.com>,
	<dragos.bogdan@analog.com>, <rafael@kernel.org>,
	<gregkh@linuxfoundation.org>,
	Alexandru Ardelean <alexandru.ardelean@analog.com>
Subject: [PATCH v4 01/17] docs: ioctl-number.rst: reserve IIO subsystem ioctl() space
Date: Wed, 10 Feb 2021 12:08:07 +0200	[thread overview]
Message-ID: <20210210100823.46780-2-alexandru.ardelean@analog.com> (raw)
In-Reply-To: <20210210100823.46780-1-alexandru.ardelean@analog.com>

Currently, only the 'i' 0x90 ioctl() actually exists and is defined in
'include/uapi/linux/iio/events.h'.

It's the IIO_GET_EVENT_FD_IOCTL, which is used to retrieve and FD for
reading events from an IIO device.
We will want to add more ioct() numbers, so with this change the 'i'
0x90-0x9F space is reserved for IIO ioctl() calls.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
---
 Documentation/userspace-api/ioctl/ioctl-number.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst
index a4c75a28c839..179783aac8dd 100644
--- a/Documentation/userspace-api/ioctl/ioctl-number.rst
+++ b/Documentation/userspace-api/ioctl/ioctl-number.rst
@@ -245,6 +245,7 @@ Code  Seq#    Include File                                           Comments
 'i'   00-3F  linux/i2o-dev.h                                         conflict!
 'i'   0B-1F  linux/ipmi.h                                            conflict!
 'i'   80-8F  linux/i8k.h
+'i'   90-9F  `linux/iio/*.h`                                         IIO
 'j'   00-3F  linux/joystick.h
 'k'   00-0F  linux/spi/spidev.h                                      conflict!
 'k'   00-05  video/kyro.h                                            conflict!
-- 
2.17.1


  reply	other threads:[~2021-02-10 10:09 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10 10:08 [PATCH v4 00/17] iio: core,buffer: add support for multiple IIO buffers per IIO device Alexandru Ardelean
2021-02-10 10:08 ` Alexandru Ardelean [this message]
2021-02-10 10:08 ` [PATCH v4 02/17] iio: core: register chardev only if needed Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 03/17] iio: core-trigger: make iio_device_register_trigger_consumer() an int return Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 04/17] iio: core: rework iio device group creation Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 05/17] iio: buffer: group attr count and attr alloc Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 06/17] iio: core: merge buffer/ & scan_elements/ attributes Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 07/17] iio: add reference to iio buffer on iio_dev_attr Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 08/17] iio: buffer: wrap all buffer attributes into iio_dev_attr Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 09/17] iio: buffer: dmaengine: obtain buffer object from attribute Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 10/17] iio: core: wrap iio device & buffer into struct for character devices Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 11/17] iio: buffer: move __iio_buffer_free_sysfs_and_mask() before alloc Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 12/17] iio: buffer: introduce support for attaching more IIO buffers Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 13/17] iio: buffer: add ioctl() to support opening extra buffers for IIO device Alexandru Ardelean
2021-02-10 14:04   ` kernel test robot
2021-02-10 10:08 ` [PATCH v4 14/17] iio: core: rename 'dev' -> 'indio_dev' in iio_device_alloc() Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 15/17] tools: iio: make iioutils_get_type() private in iio_utils Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 16/17] tools: iio: privatize globals and functions in iio_generic_buffer.c file Alexandru Ardelean
2021-02-10 10:08 ` [PATCH v4 17/17] tools: iio: convert iio_generic_buffer to use new IIO buffer API Alexandru Ardelean

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