diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2015-07-26 09:54:20 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-04 03:30:00 +0300 |
| commit | 3c7c8468e5d993dfe377a67e41cbb23cda93af9e (patch) | |
| tree | 30d8a6572ce41c5cfda0b3599c37bf149b082e22 /Documentation | |
| parent | b38a362fad6686dd580a50590053a76ded601a0b (diff) | |
| download | linux-3c7c8468e5d993dfe377a67e41cbb23cda93af9e.tar.xz | |
mei: add async event notification ioctls
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ioctl/ioctl-number.txt | 2 | ||||
| -rw-r--r-- | Documentation/misc-devices/mei/mei.txt | 45 |
2 files changed, 46 insertions, 1 deletions
diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt index 611c52267d24..141f847c7648 100644 --- a/Documentation/ioctl/ioctl-number.txt +++ b/Documentation/ioctl/ioctl-number.txt @@ -124,6 +124,8 @@ Code Seq#(hex) Include File Comments 'H' 00-7F linux/hiddev.h conflict! 'H' 00-0F linux/hidraw.h conflict! 'H' 01 linux/mei.h conflict! +'H' 02 linux/mei.h conflict! +'H' 03 linux/mei.h conflict! 'H' 00-0F sound/asound.h conflict! 'H' 20-40 sound/asound_fm.h conflict! 'H' 80-8F sound/sfnt_info.h conflict! diff --git a/Documentation/misc-devices/mei/mei.txt b/Documentation/misc-devices/mei/mei.txt index 8d47501bba0a..91c1fa34f48b 100644 --- a/Documentation/misc-devices/mei/mei.txt +++ b/Documentation/misc-devices/mei/mei.txt @@ -96,7 +96,7 @@ A code snippet for an application communicating with Intel AMTHI client: IOCTL ===== -The Intel MEI Driver supports the following IOCTL command: +The Intel MEI Driver supports the following IOCTL commands: IOCTL_MEI_CONNECT_CLIENT Connect to firmware Feature (client). usage: @@ -125,6 +125,49 @@ The Intel MEI Driver supports the following IOCTL command: data that can be sent or received. (e.g. if MTU=2K, can send requests up to bytes 2k and received responses up to 2k bytes). + IOCTL_MEI_NOTIFY_SET: enable or disable event notifications + + Usage: + uint32_t enable; + ioctl(fd, IOCTL_MEI_NOTIFY_SET, &enable); + + Inputs: + uint32_t enable = 1; + or + uint32_t enable[disable] = 0; + + Error returns: + EINVAL Wrong IOCTL Number + ENODEV Device is not initialized or the client not connected + ENOMEM Unable to allocate memory to client internal data. + EFAULT Fatal Error (e.g. Unable to access user input data) + EOPNOTSUPP if the device doesn't support the feature + + Notes: + The client must be connected in order to enable notification events + + + IOCTL_MEI_NOTIFY_GET : retrieve event + + Usage: + uint32_t event; + ioctl(fd, IOCTL_MEI_NOTIFY_GET, &event); + + Outputs: + 1 - if an event is pending + 0 - if there is no even pending + + Error returns: + EINVAL Wrong IOCTL Number + ENODEV Device is not initialized or the client not connected + ENOMEM Unable to allocate memory to client internal data. + EFAULT Fatal Error (e.g. Unable to access user input data) + EOPNOTSUPP if the device doesn't support the feature + + Notes: + The client must be connected and event notification has to be enabled + in order to receive an event + Intel ME Applications ===================== |