/* * Header for the Direct Rendering Manager * * Author: Rickard E. (Rik) Faith <[email protected]> * * Acknowledgments: * Dec 1999, Richard Henderson <[email protected]>, move to generic cmpxchg. */ /* * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * 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, sublicense, * 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 NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS 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 _DRM_H_ #define _DRM_H_ #if defined(__KERNEL__) #include <linux/types.h> #include <asm/ioctl.h> drm_handle_t; #elif defined(__linux__) #include <linux/types.h> #include <asm/ioctl.h> typedef unsigned int drm_handle_t; #else /* One of the BSDs */ #include <stdint.h> #include <sys/ioccom.h> #include <sys/types.h> typedef int8_t __s8; typedef uint8_t __u8; typedef int16_t __s16; typedef uint16_t __u16; typedef int32_t __s32; typedef uint32_t __u32; typedef int64_t __s64; typedef uint64_t __u64; typedef size_t __kernel_size_t; typedef unsigned long drm_handle_t; #endif #if defined(__cplusplus) extern "C" { #endif #define DRM_NAME … #define DRM_MIN_ORDER … #define DRM_MAX_ORDER … #define DRM_RAM_PERCENT … #define _DRM_LOCK_HELD … #define _DRM_LOCK_CONT … #define _DRM_LOCK_IS_HELD(lock) … #define _DRM_LOCK_IS_CONT(lock) … #define _DRM_LOCKING_CONTEXT(lock) … drm_context_t; drm_drawable_t; drm_magic_t; /* * Cliprect. * * \warning: If you change this structure, make sure you change * XF86DRIClipRectRec in the server as well * * \note KW: Actually it's illegal to change either for * backwards-compatibility reasons. */ struct drm_clip_rect { … }; /* * Drawable information. */ struct drm_drawable_info { … }; /* * Texture region, */ struct drm_tex_region { … }; /* * Hardware lock. * * The lock structure is a simple cache-line aligned integer. To avoid * processor bus contention on a multiprocessor system, there should not be any * other data stored in the same cache line. */ struct drm_hw_lock { … }; /* * DRM_IOCTL_VERSION ioctl argument type. * * \sa drmGetVersion(). */ struct drm_version { … }; /* * DRM_IOCTL_GET_UNIQUE ioctl argument type. * * \sa drmGetBusid() and drmSetBusId(). */ struct drm_unique { … }; struct drm_list { … }; struct drm_block { … }; /* * DRM_IOCTL_CONTROL ioctl argument type. * * \sa drmCtlInstHandler() and drmCtlUninstHandler(). */ struct drm_control { … }; /* * Type of memory to map. */ enum drm_map_type { … }; /* * Memory mapping flags. */ enum drm_map_flags { … }; struct drm_ctx_priv_map { … }; /* * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls * argument type. * * \sa drmAddMap(). */ struct drm_map { … }; /* * DRM_IOCTL_GET_CLIENT ioctl argument type. */ struct drm_client { … }; enum drm_stat_type { … }; /* * DRM_IOCTL_GET_STATS ioctl argument type. */ struct drm_stats { … }; /* * Hardware locking flags. */ enum drm_lock_flags { … }; /* * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type. * * \sa drmGetLock() and drmUnlock(). */ struct drm_lock { … }; /* * DMA flags * * \warning * These values \e must match xf86drm.h. * * \sa drm_dma. */ enum drm_dma_flags { … }; /* * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type. * * \sa drmAddBufs(). */ struct drm_buf_desc { … }; /* * DRM_IOCTL_INFO_BUFS ioctl argument type. */ struct drm_buf_info { … }; /* * DRM_IOCTL_FREE_BUFS ioctl argument type. */ struct drm_buf_free { … }; /* * Buffer information * * \sa drm_buf_map. */ struct drm_buf_pub { … }; /* * DRM_IOCTL_MAP_BUFS ioctl argument type. */ struct drm_buf_map { … }; /* * DRM_IOCTL_DMA ioctl argument type. * * Indices here refer to the offset into the buffer list in drm_buf_get. * * \sa drmDMA(). */ struct drm_dma { … }; enum drm_ctx_flags { … }; /* * DRM_IOCTL_ADD_CTX ioctl argument type. * * \sa drmCreateContext() and drmDestroyContext(). */ struct drm_ctx { … }; /* * DRM_IOCTL_RES_CTX ioctl argument type. */ struct drm_ctx_res { … }; /* * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type. */ struct drm_draw { … }; /* * DRM_IOCTL_UPDATE_DRAW ioctl argument type. */ drm_drawable_info_type_t; struct drm_update_draw { … }; /* * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. */ struct drm_auth { … }; /* * DRM_IOCTL_IRQ_BUSID ioctl argument type. * * \sa drmGetInterruptFromBusID(). */ struct drm_irq_busid { … }; enum drm_vblank_seq_type { … }; #define _DRM_VBLANK_HIGH_CRTC_SHIFT … #define _DRM_VBLANK_TYPES_MASK … #define _DRM_VBLANK_FLAGS_MASK … struct drm_wait_vblank_request { … }; struct drm_wait_vblank_reply { … }; /* * DRM_IOCTL_WAIT_VBLANK ioctl argument type. * * \sa drmWaitVBlank(). */ drm_wait_vblank; #define _DRM_PRE_MODESET … #define _DRM_POST_MODESET … /* * DRM_IOCTL_MODESET_CTL ioctl argument type * * \sa drmModesetCtl(). */ struct drm_modeset_ctl { … }; /* * DRM_IOCTL_AGP_ENABLE ioctl argument type. * * \sa drmAgpEnable(). */ struct drm_agp_mode { … }; /* * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type. * * \sa drmAgpAlloc() and drmAgpFree(). */ struct drm_agp_buffer { … }; /* * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type. * * \sa drmAgpBind() and drmAgpUnbind(). */ struct drm_agp_binding { … }; /* * DRM_IOCTL_AGP_INFO ioctl argument type. * * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(), * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(), * drmAgpVendorId() and drmAgpDeviceId(). */ struct drm_agp_info { … }; /* * DRM_IOCTL_SG_ALLOC ioctl argument type. */ struct drm_scatter_gather { … }; /* * DRM_IOCTL_SET_VERSION ioctl argument type. */ struct drm_set_version { … }; /* DRM_IOCTL_GEM_CLOSE ioctl argument type */ struct drm_gem_close { … }; /* DRM_IOCTL_GEM_FLINK ioctl argument type */ struct drm_gem_flink { … }; /* DRM_IOCTL_GEM_OPEN ioctl argument type */ struct drm_gem_open { … }; /** * DRM_CAP_DUMB_BUFFER * * If set to 1, the driver supports creating dumb buffers via the * &DRM_IOCTL_MODE_CREATE_DUMB ioctl. */ #define DRM_CAP_DUMB_BUFFER … /** * DRM_CAP_VBLANK_HIGH_CRTC * * If set to 1, the kernel supports specifying a :ref:`CRTC index<crtc_index>` * in the high bits of &drm_wait_vblank_request.type. * * Starting kernel version 2.6.39, this capability is always set to 1. */ #define DRM_CAP_VBLANK_HIGH_CRTC … /** * DRM_CAP_DUMB_PREFERRED_DEPTH * * The preferred bit depth for dumb buffers. * * The bit depth is the number of bits used to indicate the color of a single * pixel excluding any padding. This is different from the number of bits per * pixel. For instance, XRGB8888 has a bit depth of 24 but has 32 bits per * pixel. * * Note that this preference only applies to dumb buffers, it's irrelevant for * other types of buffers. */ #define DRM_CAP_DUMB_PREFERRED_DEPTH … /** * DRM_CAP_DUMB_PREFER_SHADOW * * If set to 1, the driver prefers userspace to render to a shadow buffer * instead of directly rendering to a dumb buffer. For best speed, userspace * should do streaming ordered memory copies into the dumb buffer and never * read from it. * * Note that this preference only applies to dumb buffers, it's irrelevant for * other types of buffers. */ #define DRM_CAP_DUMB_PREFER_SHADOW … /** * DRM_CAP_PRIME * * Bitfield of supported PRIME sharing capabilities. See &DRM_PRIME_CAP_IMPORT * and &DRM_PRIME_CAP_EXPORT. * * Starting from kernel version 6.6, both &DRM_PRIME_CAP_IMPORT and * &DRM_PRIME_CAP_EXPORT are always advertised. * * PRIME buffers are exposed as dma-buf file descriptors. * See :ref:`prime_buffer_sharing`. */ #define DRM_CAP_PRIME … /** * DRM_PRIME_CAP_IMPORT * * If this bit is set in &DRM_CAP_PRIME, the driver supports importing PRIME * buffers via the &DRM_IOCTL_PRIME_FD_TO_HANDLE ioctl. * * Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME. */ #define DRM_PRIME_CAP_IMPORT … /** * DRM_PRIME_CAP_EXPORT * * If this bit is set in &DRM_CAP_PRIME, the driver supports exporting PRIME * buffers via the &DRM_IOCTL_PRIME_HANDLE_TO_FD ioctl. * * Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME. */ #define DRM_PRIME_CAP_EXPORT … /** * DRM_CAP_TIMESTAMP_MONOTONIC * * If set to 0, the kernel will report timestamps with ``CLOCK_REALTIME`` in * struct drm_event_vblank. If set to 1, the kernel will report timestamps with * ``CLOCK_MONOTONIC``. See ``clock_gettime(2)`` for the definition of these * clocks. * * Starting from kernel version 2.6.39, the default value for this capability * is 1. Starting kernel version 4.15, this capability is always set to 1. */ #define DRM_CAP_TIMESTAMP_MONOTONIC … /** * DRM_CAP_ASYNC_PAGE_FLIP * * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC for legacy * page-flips. */ #define DRM_CAP_ASYNC_PAGE_FLIP … /** * DRM_CAP_CURSOR_WIDTH * * The ``CURSOR_WIDTH`` and ``CURSOR_HEIGHT`` capabilities return a valid * width x height combination for the hardware cursor. The intention is that a * hardware agnostic userspace can query a cursor plane size to use. * * Note that the cross-driver contract is to merely return a valid size; * drivers are free to attach another meaning on top, eg. i915 returns the * maximum plane size. */ #define DRM_CAP_CURSOR_WIDTH … /** * DRM_CAP_CURSOR_HEIGHT * * See &DRM_CAP_CURSOR_WIDTH. */ #define DRM_CAP_CURSOR_HEIGHT … /** * DRM_CAP_ADDFB2_MODIFIERS * * If set to 1, the driver supports supplying modifiers in the * &DRM_IOCTL_MODE_ADDFB2 ioctl. */ #define DRM_CAP_ADDFB2_MODIFIERS … /** * DRM_CAP_PAGE_FLIP_TARGET * * If set to 1, the driver supports the &DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE and * &DRM_MODE_PAGE_FLIP_TARGET_RELATIVE flags in * &drm_mode_crtc_page_flip_target.flags for the &DRM_IOCTL_MODE_PAGE_FLIP * ioctl. */ #define DRM_CAP_PAGE_FLIP_TARGET … /** * DRM_CAP_CRTC_IN_VBLANK_EVENT * * If set to 1, the kernel supports reporting the CRTC ID in * &drm_event_vblank.crtc_id for the &DRM_EVENT_VBLANK and * &DRM_EVENT_FLIP_COMPLETE events. * * Starting kernel version 4.12, this capability is always set to 1. */ #define DRM_CAP_CRTC_IN_VBLANK_EVENT … /** * DRM_CAP_SYNCOBJ * * If set to 1, the driver supports sync objects. See :ref:`drm_sync_objects`. */ #define DRM_CAP_SYNCOBJ … /** * DRM_CAP_SYNCOBJ_TIMELINE * * If set to 1, the driver supports timeline operations on sync objects. See * :ref:`drm_sync_objects`. */ #define DRM_CAP_SYNCOBJ_TIMELINE … /** * DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP * * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC for atomic * commits. */ #define DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP … /* DRM_IOCTL_GET_CAP ioctl argument type */ struct drm_get_cap { … }; /** * DRM_CLIENT_CAP_STEREO_3D * * If set to 1, the DRM core will expose the stereo 3D capabilities of the * monitor by advertising the supported 3D layouts in the flags of struct * drm_mode_modeinfo. See ``DRM_MODE_FLAG_3D_*``. * * This capability is always supported for all drivers starting from kernel * version 3.13. */ #define DRM_CLIENT_CAP_STEREO_3D … /** * DRM_CLIENT_CAP_UNIVERSAL_PLANES * * If set to 1, the DRM core will expose all planes (overlay, primary, and * cursor) to userspace. * * This capability has been introduced in kernel version 3.15. Starting from * kernel version 3.17, this capability is always supported for all drivers. */ #define DRM_CLIENT_CAP_UNIVERSAL_PLANES … /** * DRM_CLIENT_CAP_ATOMIC * * If set to 1, the DRM core will expose atomic properties to userspace. This * implicitly enables &DRM_CLIENT_CAP_UNIVERSAL_PLANES and * &DRM_CLIENT_CAP_ASPECT_RATIO. * * If the driver doesn't support atomic mode-setting, enabling this capability * will fail with -EOPNOTSUPP. * * This capability has been introduced in kernel version 4.0. Starting from * kernel version 4.2, this capability is always supported for atomic-capable * drivers. */ #define DRM_CLIENT_CAP_ATOMIC … /** * DRM_CLIENT_CAP_ASPECT_RATIO * * If set to 1, the DRM core will provide aspect ratio information in modes. * See ``DRM_MODE_FLAG_PIC_AR_*``. * * This capability is always supported for all drivers starting from kernel * version 4.18. */ #define DRM_CLIENT_CAP_ASPECT_RATIO … /** * DRM_CLIENT_CAP_WRITEBACK_CONNECTORS * * If set to 1, the DRM core will expose special connectors to be used for * writing back to memory the scene setup in the commit. The client must enable * &DRM_CLIENT_CAP_ATOMIC first. * * This capability is always supported for atomic-capable drivers starting from * kernel version 4.19. */ #define DRM_CLIENT_CAP_WRITEBACK_CONNECTORS … /** * DRM_CLIENT_CAP_CURSOR_PLANE_HOTSPOT * * Drivers for para-virtualized hardware (e.g. vmwgfx, qxl, virtio and * virtualbox) have additional restrictions for cursor planes (thus * making cursor planes on those drivers not truly universal,) e.g. * they need cursor planes to act like one would expect from a mouse * cursor and have correctly set hotspot properties. * If this client cap is not set the DRM core will hide cursor plane on * those virtualized drivers because not setting it implies that the * client is not capable of dealing with those extra restictions. * Clients which do set cursor hotspot and treat the cursor plane * like a mouse cursor should set this property. * The client must enable &DRM_CLIENT_CAP_ATOMIC first. * * Setting this property on drivers which do not special case * cursor planes (i.e. non-virtualized drivers) will return * EOPNOTSUPP, which can be used by userspace to gauge * requirements of the hardware/drivers they're running on. * * This capability is always supported for atomic-capable virtualized * drivers starting from kernel version 6.6. */ #define DRM_CLIENT_CAP_CURSOR_PLANE_HOTSPOT … /* DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */ struct drm_set_client_cap { … }; #define DRM_RDWR … #define DRM_CLOEXEC … struct drm_prime_handle { … }; struct drm_syncobj_create { … }; struct drm_syncobj_destroy { … }; #define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE … #define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE … struct drm_syncobj_handle { … }; struct drm_syncobj_transfer { … }; #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL … #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT … #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE … #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_DEADLINE … struct drm_syncobj_wait { … }; struct drm_syncobj_timeline_wait { … }; /** * struct drm_syncobj_eventfd * @handle: syncobj handle. * @flags: Zero to wait for the point to be signalled, or * &DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE to wait for a fence to be * available for the point. * @point: syncobj timeline point (set to zero for binary syncobjs). * @fd: Existing eventfd to sent events to. * @pad: Must be zero. * * Register an eventfd to be signalled by a syncobj. The eventfd counter will * be incremented by one. */ struct drm_syncobj_eventfd { … }; struct drm_syncobj_array { … }; #define DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED … struct drm_syncobj_timeline_array { … }; /* Query current scanout sequence number */ struct drm_crtc_get_sequence { … }; /* Queue event to be delivered at specified sequence. Time stamp marks * when the first pixel of the refresh cycle leaves the display engine * for the display */ #define DRM_CRTC_SEQUENCE_RELATIVE … #define DRM_CRTC_SEQUENCE_NEXT_ON_MISS … struct drm_crtc_queue_sequence { … }; #if defined(__cplusplus) } #endif #include "drm_mode.h" #if defined(__cplusplus) extern "C" { #endif #define DRM_IOCTL_BASE … #define DRM_IO(nr) … #define DRM_IOR(nr,type) … #define DRM_IOW(nr,type) … #define DRM_IOWR(nr,type) … #define DRM_IOCTL_VERSION … #define DRM_IOCTL_GET_UNIQUE … #define DRM_IOCTL_GET_MAGIC … #define DRM_IOCTL_IRQ_BUSID … #define DRM_IOCTL_GET_MAP … #define DRM_IOCTL_GET_CLIENT … #define DRM_IOCTL_GET_STATS … #define DRM_IOCTL_SET_VERSION … #define DRM_IOCTL_MODESET_CTL … /** * DRM_IOCTL_GEM_CLOSE - Close a GEM handle. * * GEM handles are not reference-counted by the kernel. User-space is * responsible for managing their lifetime. For example, if user-space imports * the same memory object twice on the same DRM file description, the same GEM * handle is returned by both imports, and user-space needs to ensure * &DRM_IOCTL_GEM_CLOSE is performed once only. The same situation can happen * when a memory object is allocated, then exported and imported again on the * same DRM file description. The &DRM_IOCTL_MODE_GETFB2 IOCTL is an exception * and always returns fresh new GEM handles even if an existing GEM handle * already refers to the same memory object before the IOCTL is performed. */ #define DRM_IOCTL_GEM_CLOSE … #define DRM_IOCTL_GEM_FLINK … #define DRM_IOCTL_GEM_OPEN … #define DRM_IOCTL_GET_CAP … #define DRM_IOCTL_SET_CLIENT_CAP … #define DRM_IOCTL_SET_UNIQUE … #define DRM_IOCTL_AUTH_MAGIC … #define DRM_IOCTL_BLOCK … #define DRM_IOCTL_UNBLOCK … #define DRM_IOCTL_CONTROL … #define DRM_IOCTL_ADD_MAP … #define DRM_IOCTL_ADD_BUFS … #define DRM_IOCTL_MARK_BUFS … #define DRM_IOCTL_INFO_BUFS … #define DRM_IOCTL_MAP_BUFS … #define DRM_IOCTL_FREE_BUFS … #define DRM_IOCTL_RM_MAP … #define DRM_IOCTL_SET_SAREA_CTX … #define DRM_IOCTL_GET_SAREA_CTX … #define DRM_IOCTL_SET_MASTER … #define DRM_IOCTL_DROP_MASTER … #define DRM_IOCTL_ADD_CTX … #define DRM_IOCTL_RM_CTX … #define DRM_IOCTL_MOD_CTX … #define DRM_IOCTL_GET_CTX … #define DRM_IOCTL_SWITCH_CTX … #define DRM_IOCTL_NEW_CTX … #define DRM_IOCTL_RES_CTX … #define DRM_IOCTL_ADD_DRAW … #define DRM_IOCTL_RM_DRAW … #define DRM_IOCTL_DMA … #define DRM_IOCTL_LOCK … #define DRM_IOCTL_UNLOCK … #define DRM_IOCTL_FINISH … /** * DRM_IOCTL_PRIME_HANDLE_TO_FD - Convert a GEM handle to a DMA-BUF FD. * * User-space sets &drm_prime_handle.handle with the GEM handle to export and * &drm_prime_handle.flags, and gets back a DMA-BUF file descriptor in * &drm_prime_handle.fd. * * The export can fail for any driver-specific reason, e.g. because export is * not supported for this specific GEM handle (but might be for others). * * Support for exporting DMA-BUFs is advertised via &DRM_PRIME_CAP_EXPORT. */ #define DRM_IOCTL_PRIME_HANDLE_TO_FD … /** * DRM_IOCTL_PRIME_FD_TO_HANDLE - Convert a DMA-BUF FD to a GEM handle. * * User-space sets &drm_prime_handle.fd with a DMA-BUF file descriptor to * import, and gets back a GEM handle in &drm_prime_handle.handle. * &drm_prime_handle.flags is unused. * * If an existing GEM handle refers to the memory object backing the DMA-BUF, * that GEM handle is returned. Therefore user-space which needs to handle * arbitrary DMA-BUFs must have a user-space lookup data structure to manually * reference-count duplicated GEM handles. For more information see * &DRM_IOCTL_GEM_CLOSE. * * The import can fail for any driver-specific reason, e.g. because import is * only supported for DMA-BUFs allocated on this DRM device. * * Support for importing DMA-BUFs is advertised via &DRM_PRIME_CAP_IMPORT. */ #define DRM_IOCTL_PRIME_FD_TO_HANDLE … #define DRM_IOCTL_AGP_ACQUIRE … #define DRM_IOCTL_AGP_RELEASE … #define DRM_IOCTL_AGP_ENABLE … #define DRM_IOCTL_AGP_INFO … #define DRM_IOCTL_AGP_ALLOC … #define DRM_IOCTL_AGP_FREE … #define DRM_IOCTL_AGP_BIND … #define DRM_IOCTL_AGP_UNBIND … #define DRM_IOCTL_SG_ALLOC … #define DRM_IOCTL_SG_FREE … #define DRM_IOCTL_WAIT_VBLANK … #define DRM_IOCTL_CRTC_GET_SEQUENCE … #define DRM_IOCTL_CRTC_QUEUE_SEQUENCE … #define DRM_IOCTL_UPDATE_DRAW … #define DRM_IOCTL_MODE_GETRESOURCES … #define DRM_IOCTL_MODE_GETCRTC … #define DRM_IOCTL_MODE_SETCRTC … #define DRM_IOCTL_MODE_CURSOR … #define DRM_IOCTL_MODE_GETGAMMA … #define DRM_IOCTL_MODE_SETGAMMA … #define DRM_IOCTL_MODE_GETENCODER … #define DRM_IOCTL_MODE_GETCONNECTOR … #define DRM_IOCTL_MODE_ATTACHMODE … #define DRM_IOCTL_MODE_DETACHMODE … #define DRM_IOCTL_MODE_GETPROPERTY … #define DRM_IOCTL_MODE_SETPROPERTY … #define DRM_IOCTL_MODE_GETPROPBLOB … #define DRM_IOCTL_MODE_GETFB … #define DRM_IOCTL_MODE_ADDFB … /** * DRM_IOCTL_MODE_RMFB - Remove a framebuffer. * * This removes a framebuffer previously added via ADDFB/ADDFB2. The IOCTL * argument is a framebuffer object ID. * * Warning: removing a framebuffer currently in-use on an enabled plane will * disable that plane. The CRTC the plane is linked to may also be disabled * (depending on driver capabilities). */ #define DRM_IOCTL_MODE_RMFB … #define DRM_IOCTL_MODE_PAGE_FLIP … #define DRM_IOCTL_MODE_DIRTYFB … /** * DRM_IOCTL_MODE_CREATE_DUMB - Create a new dumb buffer object. * * KMS dumb buffers provide a very primitive way to allocate a buffer object * suitable for scanout and map it for software rendering. KMS dumb buffers are * not suitable for hardware-accelerated rendering nor video decoding. KMS dumb * buffers are not suitable to be displayed on any other device than the KMS * device where they were allocated from. Also see * :ref:`kms_dumb_buffer_objects`. * * The IOCTL argument is a struct drm_mode_create_dumb. * * User-space is expected to create a KMS dumb buffer via this IOCTL, then add * it as a KMS framebuffer via &DRM_IOCTL_MODE_ADDFB and map it via * &DRM_IOCTL_MODE_MAP_DUMB. * * &DRM_CAP_DUMB_BUFFER indicates whether this IOCTL is supported. * &DRM_CAP_DUMB_PREFERRED_DEPTH and &DRM_CAP_DUMB_PREFER_SHADOW indicate * driver preferences for dumb buffers. */ #define DRM_IOCTL_MODE_CREATE_DUMB … #define DRM_IOCTL_MODE_MAP_DUMB … #define DRM_IOCTL_MODE_DESTROY_DUMB … #define DRM_IOCTL_MODE_GETPLANERESOURCES … #define DRM_IOCTL_MODE_GETPLANE … #define DRM_IOCTL_MODE_SETPLANE … #define DRM_IOCTL_MODE_ADDFB2 … #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES … #define DRM_IOCTL_MODE_OBJ_SETPROPERTY … #define DRM_IOCTL_MODE_CURSOR2 … #define DRM_IOCTL_MODE_ATOMIC … #define DRM_IOCTL_MODE_CREATEPROPBLOB … #define DRM_IOCTL_MODE_DESTROYPROPBLOB … #define DRM_IOCTL_SYNCOBJ_CREATE … #define DRM_IOCTL_SYNCOBJ_DESTROY … #define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD … #define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE … #define DRM_IOCTL_SYNCOBJ_WAIT … #define DRM_IOCTL_SYNCOBJ_RESET … #define DRM_IOCTL_SYNCOBJ_SIGNAL … #define DRM_IOCTL_MODE_CREATE_LEASE … #define DRM_IOCTL_MODE_LIST_LESSEES … #define DRM_IOCTL_MODE_GET_LEASE … #define DRM_IOCTL_MODE_REVOKE_LEASE … #define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT … #define DRM_IOCTL_SYNCOBJ_QUERY … #define DRM_IOCTL_SYNCOBJ_TRANSFER … #define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL … /** * DRM_IOCTL_MODE_GETFB2 - Get framebuffer metadata. * * This queries metadata about a framebuffer. User-space fills * &drm_mode_fb_cmd2.fb_id as the input, and the kernels fills the rest of the * struct as the output. * * If the client is DRM master or has &CAP_SYS_ADMIN, &drm_mode_fb_cmd2.handles * will be filled with GEM buffer handles. Fresh new GEM handles are always * returned, even if another GEM handle referring to the same memory object * already exists on the DRM file description. The caller is responsible for * removing the new handles, e.g. via the &DRM_IOCTL_GEM_CLOSE IOCTL. The same * new handle will be returned for multiple planes in case they use the same * memory object. Planes are valid until one has a zero handle -- this can be * used to compute the number of planes. * * Otherwise, &drm_mode_fb_cmd2.handles will be zeroed and planes are valid * until one has a zero &drm_mode_fb_cmd2.pitches. * * If the framebuffer has a format modifier, &DRM_MODE_FB_MODIFIERS will be set * in &drm_mode_fb_cmd2.flags and &drm_mode_fb_cmd2.modifier will contain the * modifier. Otherwise, user-space must ignore &drm_mode_fb_cmd2.modifier. * * To obtain DMA-BUF FDs for each plane without leaking GEM handles, user-space * can export each handle via &DRM_IOCTL_PRIME_HANDLE_TO_FD, then immediately * close each unique handle via &DRM_IOCTL_GEM_CLOSE, making sure to not * double-close handles which are specified multiple times in the array. */ #define DRM_IOCTL_MODE_GETFB2 … #define DRM_IOCTL_SYNCOBJ_EVENTFD … /** * DRM_IOCTL_MODE_CLOSEFB - Close a framebuffer. * * This closes a framebuffer previously added via ADDFB/ADDFB2. The IOCTL * argument is a framebuffer object ID. * * This IOCTL is similar to &DRM_IOCTL_MODE_RMFB, except it doesn't disable * planes and CRTCs. As long as the framebuffer is used by a plane, it's kept * alive. When the plane no longer uses the framebuffer (because the * framebuffer is replaced with another one, or the plane is disabled), the * framebuffer is cleaned up. * * This is useful to implement flicker-free transitions between two processes. * * Depending on the threat model, user-space may want to ensure that the * framebuffer doesn't expose any sensitive user information: closed * framebuffers attached to a plane can be read back by the next DRM master. */ #define DRM_IOCTL_MODE_CLOSEFB … /* * Device specific ioctls should only be in their respective headers * The device specific ioctl range is from 0x40 to 0x9f. * Generic IOCTLS restart at 0xA0. * * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and * drmCommandReadWrite(). */ #define DRM_COMMAND_BASE … #define DRM_COMMAND_END … /** * struct drm_event - Header for DRM events * @type: event type. * @length: total number of payload bytes (including header). * * This struct is a header for events written back to user-space on the DRM FD. * A read on the DRM FD will always only return complete events: e.g. if the * read buffer is 100 bytes large and there are two 64 byte events pending, * only one will be returned. * * Event types 0 - 0x7fffffff are generic DRM events, 0x80000000 and * up are chipset specific. Generic DRM events include &DRM_EVENT_VBLANK, * &DRM_EVENT_FLIP_COMPLETE and &DRM_EVENT_CRTC_SEQUENCE. */ struct drm_event { … }; /** * DRM_EVENT_VBLANK - vertical blanking event * * This event is sent in response to &DRM_IOCTL_WAIT_VBLANK with the * &_DRM_VBLANK_EVENT flag set. * * The event payload is a struct drm_event_vblank. */ #define DRM_EVENT_VBLANK … /** * DRM_EVENT_FLIP_COMPLETE - page-flip completion event * * This event is sent in response to an atomic commit or legacy page-flip with * the &DRM_MODE_PAGE_FLIP_EVENT flag set. * * The event payload is a struct drm_event_vblank. */ #define DRM_EVENT_FLIP_COMPLETE … /** * DRM_EVENT_CRTC_SEQUENCE - CRTC sequence event * * This event is sent in response to &DRM_IOCTL_CRTC_QUEUE_SEQUENCE. * * The event payload is a struct drm_event_crtc_sequence. */ #define DRM_EVENT_CRTC_SEQUENCE … struct drm_event_vblank { … }; /* Event delivered at sequence. Time stamp marks when the first pixel * of the refresh cycle leaves the display engine for the display */ struct drm_event_crtc_sequence { … }; /* typedef area */ #ifndef __KERNEL__ typedef struct drm_clip_rect drm_clip_rect_t; typedef struct drm_drawable_info drm_drawable_info_t; typedef struct drm_tex_region drm_tex_region_t; typedef struct drm_hw_lock drm_hw_lock_t; typedef struct drm_version drm_version_t; typedef struct drm_unique drm_unique_t; typedef struct drm_list drm_list_t; typedef struct drm_block drm_block_t; typedef struct drm_control drm_control_t; typedef enum drm_map_type drm_map_type_t; typedef enum drm_map_flags drm_map_flags_t; typedef struct drm_ctx_priv_map drm_ctx_priv_map_t; typedef struct drm_map drm_map_t; typedef struct drm_client drm_client_t; typedef enum drm_stat_type drm_stat_type_t; typedef struct drm_stats drm_stats_t; typedef enum drm_lock_flags drm_lock_flags_t; typedef struct drm_lock drm_lock_t; typedef enum drm_dma_flags drm_dma_flags_t; typedef struct drm_buf_desc drm_buf_desc_t; typedef struct drm_buf_info drm_buf_info_t; typedef struct drm_buf_free drm_buf_free_t; typedef struct drm_buf_pub drm_buf_pub_t; typedef struct drm_buf_map drm_buf_map_t; typedef struct drm_dma drm_dma_t; typedef union drm_wait_vblank drm_wait_vblank_t; typedef struct drm_agp_mode drm_agp_mode_t; typedef enum drm_ctx_flags drm_ctx_flags_t; typedef struct drm_ctx drm_ctx_t; typedef struct drm_ctx_res drm_ctx_res_t; typedef struct drm_draw drm_draw_t; typedef struct drm_update_draw drm_update_draw_t; typedef struct drm_auth drm_auth_t; typedef struct drm_irq_busid drm_irq_busid_t; typedef enum drm_vblank_seq_type drm_vblank_seq_type_t; typedef struct drm_agp_buffer drm_agp_buffer_t; typedef struct drm_agp_binding drm_agp_binding_t; typedef struct drm_agp_info drm_agp_info_t; typedef struct drm_scatter_gather drm_scatter_gather_t; typedef struct drm_set_version drm_set_version_t; #endif #if defined(__cplusplus) } #endif #endif