/*
* Header for the Direct Rendering Manager
*
* Author : Rickard E . ( Rik ) Faith < faith @ valinux . com >
*
* Acknowledgments :
* Dec 1999 , Richard Henderson < rth @ twiddle . net > , 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>
typedef unsigned int 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 "drm" /**< Name in kernel, /dev, and /proc */
#define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */
#define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */
#define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */
#define _DRM_LOCK_HELD 0 x80000000U /**< Hardware lock is held */
#define _DRM_LOCK_CONT 0 x40000000U /**< Hardware lock is contended */
#define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD)
#define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT)
#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
typedef unsigned int drm_context_t;
typedef unsigned int drm_drawable_t;
typedef unsigned int 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 {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
};
/*
* Drawable information .
*/
struct drm_drawable_info {
unsigned int num_rects;
struct drm_clip_rect *rects;
};
/*
* Texture region ,
*/
struct drm_tex_region {
unsigned char next;
unsigned char prev;
unsigned char in_use;
unsigned char padding;
unsigned int age;
};
/*
* 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 {
__volatile__ unsigned int lock; /**< lock variable */
char padding[60 ]; /**< Pad to cache line */
};
/*
* DRM_IOCTL_VERSION ioctl argument type .
*
* \ sa drmGetVersion ( ) .
*/
struct drm_version {
int version_major; /**< Major version */
int version_minor; /**< Minor version */
int version_patchlevel; /**< Patch level */
__kernel_size_t name_len; /**< Length of name buffer */
char __user *name; /**< Name of driver */
__kernel_size_t date_len; /**< Length of date buffer */
char __user *date; /**< User-space buffer to hold date */
__kernel_size_t desc_len; /**< Length of desc buffer */
char __user *desc; /**< User-space buffer to hold desc */
};
/*
* DRM_IOCTL_GET_UNIQUE ioctl argument type .
*
* \ sa drmGetBusid ( ) and drmSetBusId ( ) .
*/
struct drm_unique {
__kernel_size_t unique_len; /**< Length of unique */
char __user *unique; /**< Unique name for driver instantiation */
};
struct drm_list {
int count; /**< Length of user-space structures */
struct drm_version __user *version;
};
struct drm_block {
int unused;
};
/*
* DRM_IOCTL_CONTROL ioctl argument type .
*
* \ sa drmCtlInstHandler ( ) and drmCtlUninstHandler ( ) .
*/
struct drm_control {
enum {
DRM_ADD_COMMAND,
DRM_RM_COMMAND,
DRM_INST_HANDLER,
DRM_UNINST_HANDLER
} func;
int irq;
};
/*
* Type of memory to map .
*/
enum drm_map_type {
_DRM_FRAME_BUFFER = 0 , /**< WC (no caching), no core dump */
_DRM_REGISTERS = 1 , /**< no caching, no core dump */
_DRM_SHM = 2 , /**< shared, cached */
_DRM_AGP = 3 , /**< AGP/GART */
_DRM_SCATTER_GATHER = 4 , /**< Scatter/gather memory for PCI DMA */
_DRM_CONSISTENT = 5 /**< Consistent memory for PCI DMA */
};
/*
* Memory mapping flags .
*/
enum drm_map_flags {
_DRM_RESTRICTED = 0 x01, /**< Cannot be mapped to user-virtual */
_DRM_READ_ONLY = 0 x02,
_DRM_LOCKED = 0 x04, /**< shared, cached, locked */
_DRM_KERNEL = 0 x08, /**< kernel requires access */
_DRM_WRITE_COMBINING = 0 x10, /**< use write-combining if available */
_DRM_CONTAINS_LOCK = 0 x20, /**< SHM page that contains lock */
_DRM_REMOVABLE = 0 x40, /**< Removable mapping */
_DRM_DRIVER = 0 x80 /**< Managed by driver */
};
struct drm_ctx_priv_map {
unsigned int ctx_id; /**< Context requesting private mapping */
void *handle; /**< Handle of map */
};
/*
* DRM_IOCTL_GET_MAP , DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
* argument type .
*
* \ sa drmAddMap ( ) .
*/
struct drm_map {
unsigned long offset; /**< Requested physical address (0 for SAREA)*/
unsigned long size; /**< Requested physical size (bytes) */
enum drm_map_type type; /**< Type of memory to map */
enum drm_map_flags flags; /**< Flags */
void *handle; /**< User-space: "Handle" to pass to mmap() */
/**< Kernel-space: kernel-virtual address */
int mtrr; /**< MTRR slot used */
/* Private data */
};
/*
* DRM_IOCTL_GET_CLIENT ioctl argument type .
*/
struct drm_client {
int idx; /**< Which client desired? */
int auth; /**< Is client authenticated? */
unsigned long pid; /**< Process ID */
unsigned long uid; /**< User ID */
unsigned long magic; /**< Magic */
unsigned long iocs; /**< Ioctl count */
};
enum drm_stat_type {
_DRM_STAT_LOCK,
_DRM_STAT_OPENS,
_DRM_STAT_CLOSES,
_DRM_STAT_IOCTLS,
_DRM_STAT_LOCKS,
_DRM_STAT_UNLOCKS,
_DRM_STAT_VALUE, /**< Generic value */
_DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */
_DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
_DRM_STAT_IRQ, /**< IRQ */
_DRM_STAT_PRIMARY, /**< Primary DMA bytes */
_DRM_STAT_SECONDARY, /**< Secondary DMA bytes */
_DRM_STAT_DMA, /**< DMA */
_DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */
_DRM_STAT_MISSED /**< Missed DMA opportunity */
/* Add to the *END* of the list */
};
/*
* DRM_IOCTL_GET_STATS ioctl argument type .
*/
struct drm_stats {
unsigned long count;
struct {
unsigned long value;
enum drm_stat_type type;
} data[15 ];
};
/*
* Hardware locking flags .
*/
enum drm_lock_flags {
_DRM_LOCK_READY = 0 x01, /**< Wait until hardware is ready for DMA */
_DRM_LOCK_QUIESCENT = 0 x02, /**< Wait until hardware quiescent */
_DRM_LOCK_FLUSH = 0 x04, /**< Flush this context's DMA queue first */
_DRM_LOCK_FLUSH_ALL = 0 x08, /**< Flush all DMA queues first */
/* These *HALT* flags aren't supported yet
- - they will be used to support the
full-screen DGA-like mode. */
_DRM_HALT_ALL_QUEUES = 0 x10, /**< Halt all current and future queues */
_DRM_HALT_CUR_QUEUES = 0 x20 /**< Halt all current queues */
};
/*
* DRM_IOCTL_LOCK , DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type .
*
* \ sa drmGetLock ( ) and drmUnlock ( ) .
*/
struct drm_lock {
int context;
enum drm_lock_flags flags;
};
/*
* DMA flags
*
* \ warning
* These values \ e must match xf86drm . h .
*
* \ sa drm_dma .
*/
enum drm_dma_flags {
/* Flags for DMA buffer dispatch */
_DRM_DMA_BLOCK = 0 x01, /**<
* Block until buffer dispatched .
*
* \ note The buffer may not yet have
* been processed by the hardware - -
* getting a hardware lock with the
* hardware quiescent will ensure
* that the buffer has been
* processed .
*/
_DRM_DMA_WHILE_LOCKED = 0 x02, /**< Dispatch while lock held */
_DRM_DMA_PRIORITY = 0 x04, /**< High priority dispatch */
/* Flags for DMA buffer request */
_DRM_DMA_WAIT = 0 x10, /**< Wait for free buffers */
_DRM_DMA_SMALLER_OK = 0 x20, /**< Smaller-than-requested buffers OK */
_DRM_DMA_LARGER_OK = 0 x40 /**< Larger-than-requested buffers OK */
};
/*
* DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type .
*
* \ sa drmAddBufs ( ) .
*/
struct drm_buf_desc {
int count; /**< Number of buffers of this size */
int size; /**< Size in bytes */
int low_mark; /**< Low water mark */
int high_mark; /**< High water mark */
enum {
_DRM_PAGE_ALIGN = 0 x01, /**< Align on page boundaries for DMA */
_DRM_AGP_BUFFER = 0 x02, /**< Buffer is in AGP space */
_DRM_SG_BUFFER = 0 x04, /**< Scatter/gather memory buffer */
_DRM_FB_BUFFER = 0 x08, /**< Buffer is in frame buffer */
_DRM_PCI_BUFFER_RO = 0 x10 /**< Map PCI DMA buffer read-only */
} flags;
unsigned long agp_start; /**<
* Start address of where the AGP buffers are
* in the AGP aperture
*/
};
/*
* DRM_IOCTL_INFO_BUFS ioctl argument type .
*/
struct drm_buf_info {
int count; /**< Entries in list */
struct drm_buf_desc __user *list;
};
/*
* DRM_IOCTL_FREE_BUFS ioctl argument type .
*/
struct drm_buf_free {
int count;
int __user *list;
};
/*
* Buffer information
*
* \ sa drm_buf_map .
*/
struct drm_buf_pub {
int idx; /**< Index into the master buffer list */
int total; /**< Buffer size */
int used; /**< Amount of buffer in use (for DMA) */
void __user *address; /**< Address of buffer */
};
/*
* DRM_IOCTL_MAP_BUFS ioctl argument type .
*/
struct drm_buf_map {
int count; /**< Length of the buffer list */
#ifdef __cplusplus
void __user *virt;
#else
void __user *virtual ; /**< Mmap'd area in user-virtual */
#endif
struct drm_buf_pub __user *list; /**< Buffer information */
};
/*
* 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 {
int context; /**< Context handle */
int send_count; /**< Number of buffers to send */
int __user *send_indices; /**< List of handles to buffers */
int __user *send_sizes; /**< Lengths of data to send */
enum drm_dma_flags flags; /**< Flags */
int request_count; /**< Number of buffers requested */
int request_size; /**< Desired size for buffers */
int __user *request_indices; /**< Buffer information */
int __user *request_sizes;
int granted_count; /**< Number of buffers granted */
};
enum drm_ctx_flags {
_DRM_CONTEXT_PRESERVED = 0 x01,
_DRM_CONTEXT_2DONLY = 0 x02
};
/*
* DRM_IOCTL_ADD_CTX ioctl argument type .
*
* \ sa drmCreateContext ( ) and drmDestroyContext ( ) .
*/
struct drm_ctx {
drm_context_t handle;
enum drm_ctx_flags flags;
};
/*
* DRM_IOCTL_RES_CTX ioctl argument type .
*/
struct drm_ctx_res {
int count;
struct drm_ctx __user *contexts;
};
/*
* DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type .
*/
struct drm_draw {
drm_drawable_t handle;
};
/*
* DRM_IOCTL_UPDATE_DRAW ioctl argument type .
*/
typedef enum {
DRM_DRAWABLE_CLIPRECTS
} drm_drawable_info_type_t;
struct drm_update_draw {
drm_drawable_t handle;
unsigned int type;
unsigned int num;
unsigned long long data;
};
/*
* DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type .
*/
struct drm_auth {
drm_magic_t magic;
};
/*
* DRM_IOCTL_IRQ_BUSID ioctl argument type .
*
* \ sa drmGetInterruptFromBusID ( ) .
*/
struct drm_irq_busid {
int irq; /**< IRQ number */
int busnum; /**< bus number */
int devnum; /**< device number */
int funcnum; /**< function number */
};
enum drm_vblank_seq_type {
_DRM_VBLANK_ABSOLUTE = 0 x0, /**< Wait for specific vblank sequence number */
_DRM_VBLANK_RELATIVE = 0 x1, /**< Wait for given number of vblanks */
/* bits 1-6 are reserved for high crtcs */
_DRM_VBLANK_HIGH_CRTC_MASK = 0 x0000003e,
_DRM_VBLANK_EVENT = 0 x4000000, /**< Send event instead of blocking */
_DRM_VBLANK_FLIP = 0 x8000000, /**< Scheduled buffer swap should flip */
_DRM_VBLANK_NEXTONMISS = 0 x10000000, /**< If missed, wait for next vblank */
_DRM_VBLANK_SECONDARY = 0 x20000000, /**< Secondary display controller */
_DRM_VBLANK_SIGNAL = 0 x40000000 /**< Send signal instead of blocking, unsupported */
};
#define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
_DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
struct drm_wait_vblank_request {
enum drm_vblank_seq_type type;
unsigned int sequence;
unsigned long signal;
};
struct drm_wait_vblank_reply {
enum drm_vblank_seq_type type;
unsigned int sequence;
long tval_sec;
long tval_usec;
};
/*
* DRM_IOCTL_WAIT_VBLANK ioctl argument type .
*
* \ sa drmWaitVBlank ( ) .
*/
union drm_wait_vblank {
struct drm_wait_vblank_request request;
struct drm_wait_vblank_reply reply;
};
#define _DRM_PRE_MODESET 1
#define _DRM_POST_MODESET 2
/*
* DRM_IOCTL_MODESET_CTL ioctl argument type
*
* \ sa drmModesetCtl ( ) .
*/
struct drm_modeset_ctl {
__u32 crtc;
__u32 cmd;
};
/*
* DRM_IOCTL_AGP_ENABLE ioctl argument type .
*
* \ sa drmAgpEnable ( ) .
*/
struct drm_agp_mode {
unsigned long mode; /**< AGP mode */
};
/*
* DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type .
*
* \ sa drmAgpAlloc ( ) and drmAgpFree ( ) .
*/
struct drm_agp_buffer {
unsigned long size; /**< In bytes -- will round to page boundary */
unsigned long handle; /**< Used for binding / unbinding */
unsigned long type; /**< Type of memory to allocate */
unsigned long physical; /**< Physical used by i810 */
};
/*
* DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type .
*
* \ sa drmAgpBind ( ) and drmAgpUnbind ( ) .
*/
struct drm_agp_binding {
unsigned long handle; /**< From drm_agp_buffer */
unsigned long offset; /**< In bytes -- will round to page boundary */
};
/*
* DRM_IOCTL_AGP_INFO ioctl argument type .
*
* \ sa drmAgpVersionMajor ( ) , drmAgpVersionMinor ( ) , drmAgpGetMode ( ) ,
* drmAgpBase ( ) , drmAgpSize ( ) , drmAgpMemoryUsed ( ) , drmAgpMemoryAvail ( ) ,
* drmAgpVendorId ( ) and drmAgpDeviceId ( ) .
*/
struct drm_agp_info {
int agp_version_major;
int agp_version_minor;
unsigned long mode;
unsigned long aperture_base; /* physical address */
unsigned long aperture_size; /* bytes */
unsigned long memory_allowed; /* bytes */
unsigned long memory_used;
/* PCI information */
unsigned short id_vendor;
unsigned short id_device;
};
/*
* DRM_IOCTL_SG_ALLOC ioctl argument type .
*/
struct drm_scatter_gather {
unsigned long size; /**< In bytes -- will round to page boundary */
unsigned long handle; /**< Used for mapping / unmapping */
};
/*
* DRM_IOCTL_SET_VERSION ioctl argument type .
*/
struct drm_set_version {
int drm_di_major;
int drm_di_minor;
int drm_dd_major;
int drm_dd_minor;
};
/* DRM_IOCTL_GEM_CLOSE ioctl argument type */
struct drm_gem_close {
/** Handle of the object to be closed. */
__u32 handle;
__u32 pad;
};
/* DRM_IOCTL_GEM_FLINK ioctl argument type */
struct drm_gem_flink {
/** Handle for the object being named */
__u32 handle;
/** Returned global name */
__u32 name;
};
/* DRM_IOCTL_GEM_OPEN ioctl argument type */
struct drm_gem_open {
/** Name of object being opened */
__u32 name;
/** Returned handle for the object */
__u32 handle;
/** Returned size of the object */
__u64 size;
};
/**
* 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 0 x1
/**
* 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 0 x2
/**
* 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 0 x3
/**
* 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 0 x4
/**
* 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 0 x5
/**
* 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 0 x1
/**
* 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 0 x2
/**
* 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 0 x6
/**
* 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 0 x7
/**
* 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 0 x8
/**
* DRM_CAP_CURSOR_HEIGHT
*
* See & DRM_CAP_CURSOR_WIDTH .
*/
#define DRM_CAP_CURSOR_HEIGHT 0 x9
/**
* 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 0 x10
/**
* 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 0 x11
/**
* 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 0 x12
/**
* DRM_CAP_SYNCOBJ
*
* If set to 1 , the driver supports sync objects . See : ref : ` drm_sync_objects ` .
*/
#define DRM_CAP_SYNCOBJ 0 x13
/**
* 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 0 x14
/**
* 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 0 x15
/* DRM_IOCTL_GET_CAP ioctl argument type */
struct drm_get_cap {
__u64 capability;
__u64 value;
};
/**
* DRM_CLIENT_CAP_STEREO_3D
*
* If set to 1 , the DRM core will expose the stereo 3 D capabilities of the
* monitor by advertising the supported 3 D 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 1
/**
* 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 2
/**
* 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 3
/**
* 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 4
/**
* 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 5
/**
* 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 6
/* DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
struct drm_set_client_cap {
__u64 capability;
__u64 value;
};
#define DRM_RDWR O_RDWR
#define DRM_CLOEXEC O_CLOEXEC
struct drm_prime_handle {
__u32 handle;
/** Flags.. only applicable for handle->fd */
__u32 flags;
/** Returned dmabuf file descriptor */
__s32 fd;
};
struct drm_syncobj_create {
__u32 handle;
#define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0 )
__u32 flags;
};
struct drm_syncobj_destroy {
__u32 handle;
__u32 pad;
};
#define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE (1 << 0 )
#define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_TIMELINE (1 << 1 )
#define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE (1 << 0 )
#define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_TIMELINE (1 << 1 )
struct drm_syncobj_handle {
__u32 handle;
__u32 flags;
__s32 fd;
__u32 pad;
__u64 point;
};
struct drm_syncobj_transfer {
__u32 src_handle;
__u32 dst_handle;
__u64 src_point;
__u64 dst_point;
__u32 flags;
__u32 pad;
};
#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0 )
#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1 )
#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2 ) /* wait for time point to become available */
#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_DEADLINE (1 << 3 ) /* set fence deadline to deadline_nsec */
struct drm_syncobj_wait {
__u64 handles;
/* absolute timeout */
__s64 timeout_nsec;
__u32 count_handles;
__u32 flags;
__u32 first_signaled; /* only valid when not waiting all */
__u32 pad;
/**
* @ deadline_nsec - fence deadline hint
*
* Deadline hint , in absolute CLOCK_MONOTONIC , to set on backing
* fence ( s ) if the DRM_SYNCOBJ_WAIT_FLAGS_WAIT_DEADLINE flag is
* set .
*/
__u64 deadline_nsec;
};
struct drm_syncobj_timeline_wait {
__u64 handles;
/* wait on specific timeline point for every handles*/
__u64 points;
/* absolute timeout */
__s64 timeout_nsec;
__u32 count_handles;
__u32 flags;
__u32 first_signaled; /* only valid when not waiting all */
__u32 pad;
/**
* @ deadline_nsec - fence deadline hint
*
* Deadline hint , in absolute CLOCK_MONOTONIC , to set on backing
* fence ( s ) if the DRM_SYNCOBJ_WAIT_FLAGS_WAIT_DEADLINE flag is
* set .
*/
__u64 deadline_nsec;
};
/**
* 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 {
__u32 handle;
__u32 flags;
__u64 point;
__s32 fd;
__u32 pad;
};
struct drm_syncobj_array {
__u64 handles;
__u32 count_handles;
__u32 pad;
};
#define DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED (1 << 0 ) /* last available point on timeline syncobj */
struct drm_syncobj_timeline_array {
__u64 handles;
__u64 points;
__u32 count_handles;
__u32 flags;
};
/* Query current scanout sequence number */
struct drm_crtc_get_sequence {
__u32 crtc_id; /* requested crtc_id */
__u32 active; /* return: crtc output is active */
__u64 sequence; /* return: most recent vblank sequence */
__s64 sequence_ns; /* return: most recent time of first pixel out */
};
/* 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 0 x00000001 /* sequence is relative to current */
#define DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0 x00000002 /* Use next sequence if we've missed */
struct drm_crtc_queue_sequence {
__u32 crtc_id;
__u32 flags;
__u64 sequence; /* on input, target sequence. on output, actual sequence */
__u64 user_data; /* user data passed to event */
};
#define DRM_CLIENT_NAME_MAX_LEN 64
struct drm_set_client_name {
__u64 name_len;
__u64 name;
};
#if defined (__cplusplus)
}
#endif
#include "drm_mode.h"
#if defined (__cplusplus)
extern "C" {
#endif
#define DRM_IOCTL_BASE 'd'
#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
#define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type)
#define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type)
#define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type)
#define DRM_IOCTL_VERSION DRM_IOWR(0 x00, struct drm_version)
#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0 x01, struct drm_unique)
#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0 x02, struct drm_auth)
#define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0 x03, struct drm_irq_busid)
#define DRM_IOCTL_GET_MAP DRM_IOWR(0 x04, struct drm_map)
#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0 x05, struct drm_client)
#define DRM_IOCTL_GET_STATS DRM_IOR( 0 x06, struct drm_stats)
#define DRM_IOCTL_SET_VERSION DRM_IOWR(0 x07, struct drm_set_version)
#define DRM_IOCTL_MODESET_CTL DRM_IOW(0 x08, struct drm_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 DRM_IOW (0 x09, struct drm_gem_close)
#define DRM_IOCTL_GEM_FLINK DRM_IOWR(0 x0a, struct drm_gem_flink)
#define DRM_IOCTL_GEM_OPEN DRM_IOWR(0 x0b, struct drm_gem_open)
#define DRM_IOCTL_GET_CAP DRM_IOWR(0 x0c, struct drm_get_cap)
#define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0 x0d, struct drm_set_client_cap)
#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0 x10, struct drm_unique)
#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0 x11, struct drm_auth)
#define DRM_IOCTL_BLOCK DRM_IOWR(0 x12, struct drm_block)
#define DRM_IOCTL_UNBLOCK DRM_IOWR(0 x13, struct drm_block)
#define DRM_IOCTL_CONTROL DRM_IOW( 0 x14, struct drm_control)
#define DRM_IOCTL_ADD_MAP DRM_IOWR(0 x15, struct drm_map)
#define DRM_IOCTL_ADD_BUFS DRM_IOWR(0 x16, struct drm_buf_desc)
#define DRM_IOCTL_MARK_BUFS DRM_IOW( 0 x17, struct drm_buf_desc)
#define DRM_IOCTL_INFO_BUFS DRM_IOWR(0 x18, struct drm_buf_info)
#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0 x19, struct drm_buf_map)
#define DRM_IOCTL_FREE_BUFS DRM_IOW( 0 x1a, struct drm_buf_free)
#define DRM_IOCTL_RM_MAP DRM_IOW( 0 x1b, struct drm_map)
#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0 x1c, struct drm_ctx_priv_map)
#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0 x1d, struct drm_ctx_priv_map)
#define DRM_IOCTL_SET_MASTER DRM_IO(0 x1e)
#define DRM_IOCTL_DROP_MASTER DRM_IO(0 x1f)
#define DRM_IOCTL_ADD_CTX DRM_IOWR(0 x20, struct drm_ctx)
#define DRM_IOCTL_RM_CTX DRM_IOWR(0 x21, struct drm_ctx)
#define DRM_IOCTL_MOD_CTX DRM_IOW( 0 x22, struct drm_ctx)
#define DRM_IOCTL_GET_CTX DRM_IOWR(0 x23, struct drm_ctx)
#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0 x24, struct drm_ctx)
#define DRM_IOCTL_NEW_CTX DRM_IOW( 0 x25, struct drm_ctx)
#define DRM_IOCTL_RES_CTX DRM_IOWR(0 x26, struct drm_ctx_res)
#define DRM_IOCTL_ADD_DRAW DRM_IOWR(0 x27, struct drm_draw)
#define DRM_IOCTL_RM_DRAW DRM_IOWR(0 x28, struct drm_draw)
#define DRM_IOCTL_DMA DRM_IOWR(0 x29, struct drm_dma)
#define DRM_IOCTL_LOCK DRM_IOW( 0 x2a, struct drm_lock)
#define DRM_IOCTL_UNLOCK DRM_IOW( 0 x2b, struct drm_lock)
#define DRM_IOCTL_FINISH DRM_IOW( 0 x2c, struct drm_lock)
/**
* 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_IOWR(0 x2d, struct drm_prime_handle)
/**
* 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 DRM_IOWR(0 x2e, struct drm_prime_handle)
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0 x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0 x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0 x32, struct drm_agp_mode)
#define DRM_IOCTL_AGP_INFO DRM_IOR( 0 x33, struct drm_agp_info)
#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0 x34, struct drm_agp_buffer)
#define DRM_IOCTL_AGP_FREE DRM_IOW( 0 x35, struct drm_agp_buffer)
#define DRM_IOCTL_AGP_BIND DRM_IOW( 0 x36, struct drm_agp_binding)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0 x37, struct drm_agp_binding)
#define DRM_IOCTL_SG_ALLOC DRM_IOWR(0 x38, struct drm_scatter_gather)
#define DRM_IOCTL_SG_FREE DRM_IOW( 0 x39, struct drm_scatter_gather)
#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0 x3a, union drm_wait_vblank)
#define DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0 x3b, struct drm_crtc_get_sequence)
#define DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0 x3c, struct drm_crtc_queue_sequence)
#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0 x3f, struct drm_update_draw)
#define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0 xA0, struct drm_mode_card_res)
#define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0 xA1, struct drm_mode_crtc)
#define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0 xA2, struct drm_mode_crtc)
#define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0 xA3, struct drm_mode_cursor)
#define DRM_IOCTL_MODE_GETGAMMA DRM_IOWR(0 xA4, struct drm_mode_crtc_lut)
#define DRM_IOCTL_MODE_SETGAMMA DRM_IOWR(0 xA5, struct drm_mode_crtc_lut)
#define DRM_IOCTL_MODE_GETENCODER DRM_IOWR(0 xA6, struct drm_mode_get_encoder)
#define DRM_IOCTL_MODE_GETCONNECTOR DRM_IOWR(0 xA7, struct drm_mode_get_connector)
#define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0 xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */
#define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0 xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */
#define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0 xAA, struct drm_mode_get_property)
#define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0 xAB, struct drm_mode_connector_set_property)
#define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0 xAC, struct drm_mode_get_blob)
#define DRM_IOCTL_MODE_GETFB DRM_IOWR(0 xAD, struct drm_mode_fb_cmd)
#define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0 xAE, struct drm_mode_fb_cmd)
/**
* 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 DRM_IOWR(0 xAF, unsigned int )
#define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0 xB0, struct drm_mode_crtc_page_flip)
#define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0 xB1, struct drm_mode_fb_dirty_cmd)
/**
* 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 DRM_IOWR(0 xB2, struct drm_mode_create_dumb)
#define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0 xB3, struct drm_mode_map_dumb)
#define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0 xB4, struct drm_mode_destroy_dumb)
#define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0 xB5, struct drm_mode_get_plane_res)
#define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0 xB6, struct drm_mode_get_plane)
#define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0 xB7, struct drm_mode_set_plane)
#define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0 xB8, struct drm_mode_fb_cmd2)
#define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0 xB9, struct drm_mode_obj_get_properties)
#define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0 xBA, struct drm_mode_obj_set_property)
#define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0 xBB, struct drm_mode_cursor2)
#define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0 xBC, struct drm_mode_atomic)
#define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0 xBD, struct drm_mode_create_blob)
#define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0 xBE, struct drm_mode_destroy_blob)
#define DRM_IOCTL_SYNCOBJ_CREATE DRM_IOWR(0 xBF, struct drm_syncobj_create)
#define DRM_IOCTL_SYNCOBJ_DESTROY DRM_IOWR(0 xC0, struct drm_syncobj_destroy)
#define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0 xC1, struct drm_syncobj_handle)
#define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0 xC2, struct drm_syncobj_handle)
#define DRM_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0 xC3, struct drm_syncobj_wait)
#define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0 xC4, struct drm_syncobj_array)
#define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0 xC5, struct drm_syncobj_array)
#define DRM_IOCTL_MODE_CREATE_LEASE DRM_IOWR(0 xC6, struct drm_mode_create_lease)
#define DRM_IOCTL_MODE_LIST_LESSEES DRM_IOWR(0 xC7, struct drm_mode_list_lessees)
#define DRM_IOCTL_MODE_GET_LEASE DRM_IOWR(0 xC8, struct drm_mode_get_lease)
#define DRM_IOCTL_MODE_REVOKE_LEASE DRM_IOWR(0 xC9, struct drm_mode_revoke_lease)
#define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0 xCA, struct drm_syncobj_timeline_wait)
#define DRM_IOCTL_SYNCOBJ_QUERY DRM_IOWR(0 xCB, struct drm_syncobj_timeline_array)
#define DRM_IOCTL_SYNCOBJ_TRANSFER DRM_IOWR(0 xCC, struct drm_syncobj_transfer)
#define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL DRM_IOWR(0 xCD, struct drm_syncobj_timeline_array)
/**
* 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 DRM_IOWR(0 xCE, struct drm_mode_fb_cmd2)
#define DRM_IOCTL_SYNCOBJ_EVENTFD DRM_IOWR(0 xCF, struct drm_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 DRM_IOWR(0 xD0, struct drm_mode_closefb)
/**
* DRM_IOCTL_SET_CLIENT_NAME - Attach a name to a drm_file
*
* Having a name allows for easier tracking and debugging .
* The length of the name ( without null ending char ) must be
* < = DRM_CLIENT_NAME_MAX_LEN .
* The call will fail if the name contains whitespaces or non - printable chars .
*/
#define DRM_IOCTL_SET_CLIENT_NAME DRM_IOWR(0 xD1, struct drm_set_client_name)
/*
* Device specific ioctls should only be in their respective headers
* The device specific ioctl range is from 0 x40 to 0 x9f .
* Generic IOCTLS restart at 0 xA0 .
*
* \ sa drmCommandNone ( ) , drmCommandRead ( ) , drmCommandWrite ( ) , and
* drmCommandReadWrite ( ) .
*/
#define DRM_COMMAND_BASE 0 x40
#define DRM_COMMAND_END 0 xA0
/**
* 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 - 0 x7fffffff are generic DRM events , 0 x80000000 and
* up are chipset specific . Generic DRM events include & DRM_EVENT_VBLANK ,
* & DRM_EVENT_FLIP_COMPLETE and & DRM_EVENT_CRTC_SEQUENCE .
*/
struct drm_event {
__u32 type;
__u32 length;
};
/**
* 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 0 x01
/**
* 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 0 x02
/**
* 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 0 x03
struct drm_event_vblank {
struct drm_event base;
__u64 user_data;
__u32 tv_sec;
__u32 tv_usec;
__u32 sequence;
__u32 crtc_id; /* 0 on older kernels that do not support this */
};
/* 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 {
struct drm_event base;
__u64 user_data;
__s64 time_ns;
__u64 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
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