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mei: add async event notification ioctls

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Add ioctl IOCTL_MEI_NOTIFY_SET for enabling and disabling
async event notification.
Add ioctl IOCTL_MEI_NOTIFY_GET for receiving and acking
an event notification.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler
2015-07-26 09:54:20 +03:00
committed by Greg Kroah-Hartman
parent b38a362fad
commit 3c7c8468e5
4 changed files with 132 additions and 1 deletions
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19
include/uapi/linux/mei.h
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@@ -107,4 +107,23 @@ struct mei_connect_client_data {
};
};
/**
* DOC: set and unset event notification for a connected client
*
* The IOCTL argument is 1 for enabling event notification and 0 for
* disabling the service
* Return: -EOPNOTSUPP if the devices doesn't support the feature
*/
#define IOCTL_MEI_NOTIFY_SET _IOW('H', 0x02, __u32)
/**
* DOC: retrieve notification
*
* The IOCTL output argument is 1 if an event was is pending and 0 otherwise
* the ioctl has to be called in order to acknowledge pending event
*
* Return: -EOPNOTSUPP if the devices doesn't support the feature
*/
#define IOCTL_MEI_NOTIFY_GET _IOR('H', 0x03, __u32)
#endif /* _LINUX_MEI_H */