diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-11-23 09:04:05 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-11-23 09:04:05 +0100 |
| commit | 92907cbbef8625bb3998d1eb385fc88f23c97a3f (patch) | |
| tree | 15626ff9287e37c3cb81c7286d6db5a7fd77c854 /include/uapi/linux/userio.h | |
| parent | 15fbfccfe92c62ae8d1ecc647c44157ed01ac02e (diff) | |
| parent | 1ec218373b8ebda821aec00bb156a9c94fad9cd4 (diff) | |
Merge tag 'v4.4-rc2' into drm-intel-next-queued
Linux 4.4-rc2
Backmerge to get at
commit 1b0e3a049efe471c399674fd954500ce97438d30
Author: Imre Deak <imre.deak@intel.com>
Date: Thu Nov 5 23:04:11 2015 +0200
drm/i915/skl: disable display side power well support for now
so that we can proplery re-eanble skl power wells in -next.
Conflicts are just adjacent lines changed, except for intel_fbdev.c
where we need to interleave the changs. Nothing nefarious.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/uapi/linux/userio.h')
| -rw-r--r-- | include/uapi/linux/userio.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/uapi/linux/userio.h b/include/uapi/linux/userio.h new file mode 100644 index 000000000000..37d147f0a13a --- /dev/null +++ b/include/uapi/linux/userio.h @@ -0,0 +1,44 @@ +/* + * userio: virtual serio device support + * Copyright (C) 2015 Red Hat + * Copyright (C) 2015 Lyude (Stephen Chandler Paul) <cpaul@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more + * details. + * + * This is the public header used for user-space communication with the userio + * driver. __attribute__((__packed__)) is used for all structs to keep ABI + * compatibility between all architectures. + */ + +#ifndef _USERIO_H +#define _USERIO_H + +#include <linux/types.h> + +enum userio_cmd_type { + USERIO_CMD_REGISTER = 0, + USERIO_CMD_SET_PORT_TYPE = 1, + USERIO_CMD_SEND_INTERRUPT = 2 +}; + +/* + * userio Commands + * All commands sent to /dev/userio are encoded using this structure. The type + * field should contain a USERIO_CMD* value that indicates what kind of command + * is being sent to userio. The data field should contain the accompanying + * argument for the command, if there is one. + */ +struct userio_cmd { + __u8 type; + __u8 data; +} __attribute__((__packed__)); + +#endif /* !_USERIO_H */ |