diff options
author | Benjamin Franzke <benjaminfranzke@googlemail.com> | 2012-04-06 11:45:28 +0200 |
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committer | Gwenole Beauchesne <gwenole.beauchesne@intel.com> | 2012-09-26 11:44:45 +0200 |
commit | 4b553202ca1ba85b7754a8bdad2771c0a4562ed1 (patch) | |
tree | 92605c50b7ad5c293283fb4dfb5b3caaf4324047 /va/va_drmcommon.h | |
parent | 0d1bc5a24652c11bd5d3f45f4e57b854dcb4cdcb (diff) |
API: introduce DRM common utilities and data structures.
Add <va/va_drmcommon.h> header for DRM-based drivers to use common
base utilities and data structures. So far, only the DRM state is
shared so that to maintain binary compatibility.
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
Diffstat (limited to 'va/va_drmcommon.h')
-rw-r--r-- | va/va_drmcommon.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/va/va_drmcommon.h b/va/va_drmcommon.h new file mode 100644 index 0000000..bb00fd4 --- /dev/null +++ b/va/va_drmcommon.h @@ -0,0 +1,71 @@ +/* + * va_drmcommon.h - Common utilities for DRM-based drivers + * + * Copyright (c) 2012 Intel Corporation. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef VA_DRM_COMMON_H +#define VA_DRM_COMMON_H + +/** \brief DRM authentication type. */ +enum { + /** \brief Disconnected. */ + VA_DRM_AUTH_NONE = 0, + /** + * \brief Connected. Authenticated with DRI1 protocol. + * + * @deprecated + * This is a deprecated authentication type. All DRI-based drivers have + * been migrated to use the DRI2 protocol. Newly written drivers shall + * use DRI2 protocol only, or a custom authentication means. e.g. opt + * for authenticating on the VA driver side, instead of libva side. + */ + VA_DRM_AUTH_DRI1 = 1, + /** + * \brief Connected. Authenticated with DRI2 protocol. + * + * This is only useful to VA/X11 drivers. The libva-x11 library provides + * a helper function VA_DRI2Authenticate() for authenticating the + * connection. However, DRI2 conformant drivers don't need to call that + * function since authentication happens on the libva side, implicitly. + */ + VA_DRM_AUTH_DRI2 = 2, + /** + * \brief Connected. Authenticated with some alternate raw protocol. + * + * This authentication mode is mainly used in non-VA/X11 drivers. + * Authentication happens through some alternative method, at the + * discretion of the VA driver implementation. + */ + VA_DRM_AUTH_CUSTOM = 3 +}; + +/** \brief Base DRM state. */ +struct drm_state { + /** \brief DRM connection descriptor. */ + int fd; + /** \brief DRM authentication type. */ + int auth_type; +}; + +#endif /* VA_DRM_COMMON_H */ |