drm/shared-core/drm.h

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/**
* \file drm.h
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* Header for the Direct Rendering Manager
*
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* \author Rickard E. (Rik) Faith <faith@valinux.com>
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*
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* \par Acknowledgments:
* Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic \c cmpxchg.
*/
/*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* 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:
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*
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* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
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*
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* 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
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
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*/
/**
* \mainpage
*
* The Direct Rendering Manager (DRM) is a device-independent kernel-level
* device driver that provides support for the XFree86 Direct Rendering
* Infrastructure (DRI).
*
* The DRM supports the Direct Rendering Infrastructure (DRI) in four major
* ways:
* -# The DRM provides synchronized access to the graphics hardware via
* the use of an optimized two-tiered lock.
* -# The DRM enforces the DRI security policy for access to the graphics
* hardware by only allowing authenticated X11 clients access to
* restricted regions of memory.
* -# The DRM provides a generic DMA engine, complete with multiple
* queues and the ability to detect the need for an OpenGL context
* switch.
* -# The DRM is extensible via the use of small device-specific modules
* that rely extensively on the API exported by the DRM module.
*
*/
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#ifndef _DRM_H_
#define _DRM_H_
#ifndef __user
#define __user
#endif
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#ifndef __iomem
#define __iomem
#endif
#ifdef __GNUC__
# define DEPRECATED __attribute__ ((deprecated))
#else
# define DEPRECATED
#endif
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#if defined(__linux__)
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#include <asm/ioctl.h> /* For _IO* macros */
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#define DRM_IOCTL_NR(n) _IOC_NR(n)
#define DRM_IOC_VOID _IOC_NONE
#define DRM_IOC_READ _IOC_READ
#define DRM_IOC_WRITE _IOC_WRITE
#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE
#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
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#include <sys/ioccom.h>
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#define DRM_IOCTL_NR(n) ((n) & 0xff)
#define DRM_IOC_VOID IOC_VOID
#define DRM_IOC_READ IOC_OUT
#define DRM_IOC_WRITE IOC_IN
#define DRM_IOC_READWRITE IOC_INOUT
#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
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#endif
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#ifdef __OpenBSD__
#define DRM_MAJOR 81
#endif
#if defined(__linux__) || defined(__NetBSD__)
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#define DRM_MAJOR 226
#endif
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#define DRM_MAX_MINOR 15
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#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? */
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#define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
#define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
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#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))
#if defined(__linux__)
typedef unsigned int drm_handle_t;
#else
#include <sys/types.h>
typedef unsigned long drm_handle_t; /**< To mapped regions */
#endif
typedef unsigned int drm_context_t; /**< GLXContext handle */
typedef unsigned int drm_drawable_t;
typedef unsigned int drm_magic_t; /**< Magic for authentication */
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/**
* Cliprect.
*
* \warning If you change this structure, make sure you change
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* XF86DRIClipRectRec in the server as well
*
* \note KW: Actually it's illegal to change either for
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* backwards-compatibility reasons.
*/
struct drm_clip_rect {
unsigned short x1;
unsigned short y1;
unsigned short x2;
unsigned short y2;
};
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/**
* Texture region,
*/
struct drm_tex_region {
unsigned char next;
unsigned char prev;
unsigned char in_use;
unsigned char padding;
unsigned int age;
};
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/**
* 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 */
};
/* This is beyond ugly, and only works on GCC. However, it allows me to use
* drm.h in places (i.e., in the X-server) where I can't use size_t. The real
* fix is to use uint32_t instead of size_t, but that fix will break existing
* LP64 (i.e., PowerPC64, SPARC64, IA-64, Alpha, etc.) systems. That *will*
* eventually happen, though. I chose 'unsigned long' to be the fallback type
* because that works on all the platforms I know about. Hopefully, the
* real fix will happen before that bites us.
*/
#ifdef __SIZE_TYPE__
# define DRM_SIZE_T __SIZE_TYPE__
#else
# warning "__SIZE_TYPE__ not defined. Assuming sizeof(size_t) == sizeof(unsigned long)!"
# define DRM_SIZE_T unsigned long
#endif
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/**
* DRM_IOCTL_VERSION ioctl argument type.
*
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* \sa drmGetVersion().
*/
struct drm_version {
int version_major; /**< Major version */
int version_minor; /**< Minor version */
int version_patchlevel; /**< Patch level */
DRM_SIZE_T name_len; /**< Length of name buffer */
char __user *name; /**< Name of driver */
DRM_SIZE_T date_len; /**< Length of date buffer */
char __user *date; /**< User-space buffer to hold date */
DRM_SIZE_T desc_len; /**< Length of desc buffer */
char __user *desc; /**< User-space buffer to hold desc */
};
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/**
* DRM_IOCTL_GET_UNIQUE ioctl argument type.
*
* \sa drmGetBusid() and drmSetBusId().
*/
struct drm_unique {
DRM_SIZE_T unique_len; /**< Length of unique */
char __user *unique; /**< Unique name for driver instantiation */
};
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#undef DRM_SIZE_T
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struct drm_list {
int count; /**< Length of user-space structures */
struct drm_version __user *version;
};
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struct drm_block {
int unused;
};
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/**
* DRM_IOCTL_CONTROL ioctl argument type.
*
* \sa drmCtlInstHandler() and drmCtlUninstHandler().
*/
struct drm_control {
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enum {
DRM_ADD_COMMAND,
DRM_RM_COMMAND,
DRM_INST_HANDLER,
DRM_UNINST_HANDLER
} func;
int irq;
};
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/**
* 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 */
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_DRM_TTM = 6
};
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/**
* Memory mapping flags.
*/
enum drm_map_flags {
_DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */
_DRM_READ_ONLY = 0x02,
_DRM_LOCKED = 0x04, /**< shared, cached, locked */
_DRM_KERNEL = 0x08, /**< kernel requires access */
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_DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
_DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */
_DRM_REMOVABLE = 0x40, /**< Removable mapping */
_DRM_DRIVER = 0x80 /**< Managed by driver */
};
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struct drm_ctx_priv_map {
unsigned int ctx_id; /**< Context requesting private mapping */
void *handle; /**< Handle of map */
};
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/**
* 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() */
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/**< Kernel-space: kernel-virtual address */
int mtrr; /**< MTRR slot used */
/* Private data */
};
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/**
* 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 */
};
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enum drm_stat_type {
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_DRM_STAT_LOCK,
_DRM_STAT_OPENS,
_DRM_STAT_CLOSES,
_DRM_STAT_IOCTLS,
_DRM_STAT_LOCKS,
_DRM_STAT_UNLOCKS,
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_DRM_STAT_VALUE, /**< Generic value */
_DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */
_DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
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_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 */
};
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/**
* DRM_IOCTL_GET_STATS ioctl argument type.
*/
struct drm_stats {
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unsigned long count;
struct {
unsigned long value;
enum drm_stat_type type;
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} data[15];
};
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/**
* Hardware locking flags.
*/
enum drm_lock_flags {
_DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
_DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
_DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
_DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
/* These *HALT* flags aren't supported yet
-- they will be used to support the
full-screen DGA-like mode. */
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_DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
_DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
};
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/**
* DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
*
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* \sa drmGetLock() and drmUnlock().
*/
struct drm_lock {
int context;
enum drm_lock_flags flags;
};
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/**
* DMA flags
*
* \warning
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* These values \e must match xf86drm.h.
*
* \sa drm_dma.
*/
enum drm_dma_flags {
/* Flags for DMA buffer dispatch */
_DRM_DMA_BLOCK = 0x01, /**<
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* Block until buffer dispatched.
*
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* \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 = 0x02, /**< Dispatch while lock held */
_DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
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/* Flags for DMA buffer request */
_DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
_DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
_DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
};
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/**
* 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 */
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enum {
_DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
_DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
_DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
_DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */
_DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
} flags;
unsigned long agp_start; /**<
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* Start address of where the AGP buffers are
* in the AGP aperture
*/
};
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/**
* DRM_IOCTL_INFO_BUFS ioctl argument type.
*/
struct drm_buf_info {
int count; /**< Number of buffers described in list */
struct drm_buf_desc __user *list; /**< List of buffer descriptions */
};
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/**
* DRM_IOCTL_FREE_BUFS ioctl argument type.
*/
struct drm_buf_free {
int count;
int __user *list;
};
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/**
* 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 */
};
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/**
* DRM_IOCTL_MAP_BUFS ioctl argument type.
*/
struct drm_buf_map {
int count; /**< Length of the buffer list */
#if defined(__cplusplus)
void __user *c_virtual;
#else
void __user *virtual; /**< Mmap'd area in user-virtual */
#endif
struct drm_buf_pub __user *list; /**< Buffer information */
};
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/**
* 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 */
};
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enum drm_ctx_flags {
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_DRM_CONTEXT_PRESERVED = 0x01,
_DRM_CONTEXT_2DONLY = 0x02
};
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/**
* DRM_IOCTL_ADD_CTX ioctl argument type.
*
* \sa drmCreateContext() and drmDestroyContext().
*/
struct drm_ctx {
drm_context_t handle;
enum drm_ctx_flags flags;
};
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/**
* DRM_IOCTL_RES_CTX ioctl argument type.
*/
struct drm_ctx_res {
int count;
struct drm_ctx __user *contexts;
};
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/**
* DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
*/
struct drm_draw {
drm_drawable_t handle;
};
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/**
* 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;
};
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/**
* DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
*/
struct drm_auth {
drm_magic_t magic;
};
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/**
* DRM_IOCTL_IRQ_BUSID ioctl argument type.
*
* \sa drmGetInterruptFromBusID().
*/
struct drm_irq_busid {
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int irq; /**< IRQ number */
int busnum; /**< bus number */
int devnum; /**< device number */
int funcnum; /**< function number */
};
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enum drm_vblank_seq_type {
_DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
_DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
_DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */
_DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
_DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
_DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */
};
#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
#define _DRM_VBLANK_FLAGS_MASK (_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;
};
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/**
* 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;
};
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/**
* DRM_IOCTL_AGP_ENABLE ioctl argument type.
*
* \sa drmAgpEnable().
*/
struct drm_agp_mode {
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unsigned long mode; /**< AGP mode */
};
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/**
* DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
*
* \sa drmAgpAlloc() and drmAgpFree().
*/
struct drm_agp_buffer {
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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 */
};
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/**
* 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 */
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unsigned long offset; /**< In bytes -- will round to page boundary */
};
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/**
* 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;
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/** \name PCI information */
/*@{ */
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unsigned short id_vendor;
unsigned short id_device;
/*@} */
};
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/**
* DRM_IOCTL_SG_ALLOC ioctl argument type.
*/
struct drm_scatter_gather {
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unsigned long size; /**< In bytes -- will round to page boundary */
unsigned long handle; /**< Used for mapping / unmapping */
};
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/**
* 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;
};
#define DRM_FENCE_FLAG_EMIT 0x00000001
#define DRM_FENCE_FLAG_SHAREABLE 0x00000002
#define DRM_FENCE_FLAG_WAIT_LAZY 0x00000004
#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008
#define DRM_FENCE_FLAG_NO_USER 0x00000010
/* Reserved for driver use */
#define DRM_FENCE_MASK_DRIVER 0xFF000000
#define DRM_FENCE_TYPE_EXE 0x00000001
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struct drm_fence_arg {
unsigned int handle;
unsigned int fence_class;
unsigned int type;
unsigned int flags;
unsigned int signaled;
unsigned int error;
unsigned int sequence;
unsigned int pad64;
uint64_t expand_pad[2]; /*Future expansion */
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};
/* Buffer permissions, referring to how the GPU uses the buffers.
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* these translate to fence types used for the buffers.
* Typically a texture buffer is read, A destination buffer is write and
* a command (batch-) buffer is exe. Can be or-ed together.
*/
#define DRM_BO_FLAG_READ (1ULL << 0)
#define DRM_BO_FLAG_WRITE (1ULL << 1)
#define DRM_BO_FLAG_EXE (1ULL << 2)
/*
* Status flags. Can be read to determine the actual state of a buffer.
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* Can also be set in the buffer mask before validation.
*/
/*
* Mask: Never evict this buffer. Not even with force. This type of buffer is only
* available to root and must be manually removed before buffer manager shutdown
* or lock.
* Flags: Acknowledge
*/
#define DRM_BO_FLAG_NO_EVICT (1ULL << 4)
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/*
* Mask: Require that the buffer is placed in mappable memory when validated.
* If not set the buffer may or may not be in mappable memory when validated.
* Flags: If set, the buffer is in mappable memory.
*/
#define DRM_BO_FLAG_MAPPABLE (1ULL << 5)
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/* Mask: The buffer should be shareable with other processes.
* Flags: The buffer is shareable with other processes.
*/
#define DRM_BO_FLAG_SHAREABLE (1ULL << 6)
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/* Mask: If set, place the buffer in cache-coherent memory if available.
* If clear, never place the buffer in cache coherent memory if validated.
* Flags: The buffer is currently in cache-coherent memory.
*/
#define DRM_BO_FLAG_CACHED (1ULL << 7)
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/* Mask: Make sure that every time this buffer is validated,
* it ends up on the same location provided that the memory mask is the same.
* The buffer will also not be evicted when claiming space for
* other buffers. Basically a pinned buffer but it may be thrown out as
* part of buffer manager shutdown or locking.
* Flags: Acknowledge.
*/
#define DRM_BO_FLAG_NO_MOVE (1ULL << 8)
/* Mask: Make sure the buffer is in cached memory when mapped
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* Flags: Acknowledge.
* Buffers allocated with this flag should not be used for suballocators
* This type may have issues on CPUs with over-aggressive caching
* http://marc.info/?l=linux-kernel&m=102376926732464&w=2
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*/
#define DRM_BO_FLAG_CACHED_MAPPED (1ULL << 19)
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/* Mask: Force DRM_BO_FLAG_CACHED flag strictly also if it is set.
* Flags: Acknowledge.
*/
#define DRM_BO_FLAG_FORCE_CACHING (1ULL << 13)
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/*
* Mask: Force DRM_BO_FLAG_MAPPABLE flag strictly also if it is clear.
* Flags: Acknowledge.
*/
#define DRM_BO_FLAG_FORCE_MAPPABLE (1ULL << 14)
#define DRM_BO_FLAG_TILE (1ULL << 15)
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/*
* Memory type flags that can be or'ed together in the mask, but only
* one appears in flags.
*/
/* System memory */
#define DRM_BO_FLAG_MEM_LOCAL (1ULL << 24)
/* Translation table memory */
#define DRM_BO_FLAG_MEM_TT (1ULL << 25)
/* Vram memory */
#define DRM_BO_FLAG_MEM_VRAM (1ULL << 26)
/* Up to the driver to define. */
#define DRM_BO_FLAG_MEM_PRIV0 (1ULL << 27)
#define DRM_BO_FLAG_MEM_PRIV1 (1ULL << 28)
#define DRM_BO_FLAG_MEM_PRIV2 (1ULL << 29)
#define DRM_BO_FLAG_MEM_PRIV3 (1ULL << 30)
#define DRM_BO_FLAG_MEM_PRIV4 (1ULL << 31)
/* We can add more of these now with a 64-bit flag type */
/* Memory flag mask */
#define DRM_BO_MASK_MEM 0x00000000FF000000ULL
#define DRM_BO_MASK_MEMTYPE 0x00000000FF0800A0ULL
/* Driver-private flags */
#define DRM_BO_MASK_DRIVER 0xFFFF000000000000ULL
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/* Don't block on validate and map */
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#define DRM_BO_HINT_DONT_BLOCK 0x00000002
/* Don't place this buffer on the unfenced list.*/
#define DRM_BO_HINT_DONT_FENCE 0x00000004
#define DRM_BO_HINT_WAIT_LAZY 0x00000008
#define DRM_BO_HINT_PRESUMED_OFFSET 0x00000010
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#define DRM_BO_INIT_MAGIC 0xfe769812
#define DRM_BO_INIT_MAJOR 1
#define DRM_BO_INIT_MINOR 0
#define DRM_BO_INIT_PATCH 0
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struct drm_bo_info_req {
uint64_t mask;
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uint64_t flags;
unsigned int handle;
unsigned int hint;
unsigned int fence_class;
unsigned int desired_tile_stride;
unsigned int tile_info;
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unsigned int pad64;
uint64_t presumed_offset;
};
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struct drm_bo_create_req {
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uint64_t mask;
uint64_t size;
uint64_t buffer_start;
unsigned int hint;
unsigned int page_alignment;
};
/*
* Reply flags
*/
#define DRM_BO_REP_BUSY 0x00000001
struct drm_bo_info_rep {
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uint64_t flags;
uint64_t mask;
uint64_t size;
uint64_t offset;
uint64_t arg_handle;
uint64_t buffer_start;
unsigned int handle;
unsigned int fence_flags;
unsigned int rep_flags;
unsigned int page_alignment;
unsigned int desired_tile_stride;
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unsigned int hw_tile_stride;
unsigned int tile_info;
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unsigned int pad64;
uint64_t expand_pad[4]; /*Future expansion */
};
struct drm_bo_arg_rep {
struct drm_bo_info_rep bo_info;
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int ret;
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unsigned int pad64;
};
struct drm_bo_create_arg {
union {
struct drm_bo_create_req req;
struct drm_bo_info_rep rep;
} d;
};
struct drm_bo_handle_arg {
unsigned int handle;
};
struct drm_bo_reference_info_arg {
union {
struct drm_bo_handle_arg req;
struct drm_bo_info_rep rep;
} d;
};
struct drm_bo_map_wait_idle_arg {
union {
struct drm_bo_info_req req;
struct drm_bo_info_rep rep;
} d;
};
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struct drm_bo_op_req {
enum {
drm_bo_validate,
drm_bo_fence,
drm_bo_ref_fence,
} op;
unsigned int arg_handle;
struct drm_bo_info_req bo_req;
};
struct drm_bo_op_arg {
uint64_t next;
union {
struct drm_bo_op_req req;
struct drm_bo_arg_rep rep;
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} d;
int handled;
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unsigned int pad64;
};
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#define DRM_BO_MEM_LOCAL 0
#define DRM_BO_MEM_TT 1
#define DRM_BO_MEM_VRAM 2
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#define DRM_BO_MEM_PRIV0 3
#define DRM_BO_MEM_PRIV1 4
#define DRM_BO_MEM_PRIV2 5
#define DRM_BO_MEM_PRIV3 6
#define DRM_BO_MEM_PRIV4 7
#define DRM_BO_MEM_TYPES 8 /* For now. */
#define DRM_BO_LOCK_UNLOCK_BM (1 << 0)
#define DRM_BO_LOCK_IGNORE_NO_EVICT (1 << 1)
struct drm_bo_version_arg {
uint32_t major;
uint32_t minor;
uint32_t patchlevel;
};
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struct drm_mm_type_arg {
unsigned int mem_type;
unsigned int lock_flags;
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};
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struct drm_mm_init_arg {
unsigned int magic;
unsigned int major;
unsigned int minor;
unsigned int mem_type;
uint64_t p_offset;
uint64_t p_size;
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};
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/*
* Drm mode setting
*/
#define DRM_DISPLAY_INFO_LEN 32
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#define DRM_OUTPUT_NAME_LEN 32
#define DRM_DISPLAY_MODE_LEN 32
#define DRM_PROP_NAME_LEN 32
#define DRM_MODE_TYPE_BUILTIN (1<<0)
#define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN)
#define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN)
#define DRM_MODE_TYPE_PREFERRED (1<<3)
#define DRM_MODE_TYPE_DEFAULT (1<<4)
#define DRM_MODE_TYPE_USERDEF (1<<5)
#define DRM_MODE_TYPE_DRIVER (1<<6)
struct drm_mode_modeinfo {
unsigned int clock;
unsigned short hdisplay, hsync_start, hsync_end, htotal, hskew;
unsigned short vdisplay, vsync_start, vsync_end, vtotal, vscan;
unsigned int vrefresh; /* vertical refresh * 1000 */
unsigned int flags;
unsigned int type;
char name[DRM_DISPLAY_MODE_LEN];
};
struct drm_mode_card_res {
uint64_t fb_id_ptr;
uint64_t crtc_id_ptr;
uint64_t output_id_ptr;
int count_fbs;
int count_crtcs;
int count_outputs;
int min_width, max_width;
int min_height, max_height;
};
struct drm_mode_crtc {
uint64_t set_outputs_ptr;
unsigned int crtc_id; /**< Id */
unsigned int fb_id; /**< Id of framebuffer */
int x, y; /**< Position on the frameuffer */
int count_outputs;
unsigned int outputs; /**< Outputs that are connected */
int count_possibles;
unsigned int possibles; /**< Outputs that can be connected */
int gamma_size;
int mode_valid;
struct drm_mode_modeinfo mode;
};
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#define DRM_MODE_OUTPUT_NONE 0
#define DRM_MODE_OUTPUT_DAC 1
#define DRM_MODE_OUTPUT_TMDS 2
#define DRM_MODE_OUTPUT_LVDS 3
#define DRM_MODE_OUTPUT_TVDAC 4
struct drm_mode_get_output {
uint64_t modes_ptr;
uint64_t props_ptr;
uint64_t prop_values_ptr;
int count_modes;
int count_props;
unsigned int output; /**< Id */
unsigned int crtc; /**< Id of crtc */
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unsigned int output_type;
unsigned int output_type_id;
unsigned int connection;
unsigned int mm_width, mm_height; /**< HxW in millimeters */
unsigned int subpixel;
int count_crtcs;
int count_clones;
unsigned int crtcs; /**< possible crtc to connect to */
unsigned int clones; /**< list of clones */
};
#define DRM_MODE_PROP_PENDING (1<<0)
#define DRM_MODE_PROP_RANGE (1<<1)
#define DRM_MODE_PROP_IMMUTABLE (1<<2)
#define DRM_MODE_PROP_ENUM (1<<3) // enumerated type with text strings
#define DRM_MODE_PROP_BLOB (1<<4)
struct drm_mode_property_enum {
uint64_t value;
unsigned char name[DRM_PROP_NAME_LEN];
};
struct drm_mode_get_property {
uint64_t values_ptr; /* values and blob lengths */
uint64_t enum_blob_ptr; /* enum and blob id ptrs */
unsigned int prop_id;
unsigned int flags;
unsigned char name[DRM_PROP_NAME_LEN];
int count_values;
int count_enum_blobs;
};
struct drm_mode_output_set_property {
uint64_t value;
unsigned int prop_id;
unsigned int output_id;
};
struct drm_mode_get_blob {
uint32_t blob_id;
uint32_t length;
uint64_t data;
};
struct drm_mode_fb_cmd {
unsigned int buffer_id;
unsigned int width, height;
unsigned int pitch;
unsigned int bpp;
unsigned int handle;
unsigned int depth;
};
struct drm_mode_mode_cmd {
unsigned int output_id;
struct drm_mode_modeinfo mode;
};
/**
* \name Ioctls Definitions
*/
/*@{*/
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#define DRM_IOCTL_BASE 'd'
#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
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#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)
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#define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version)
#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, struct drm_unique)
#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth)
#define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, struct drm_irq_busid)
#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, struct drm_map)
#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client)
#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats)
#define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version)
#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique)
#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth)
#define DRM_IOCTL_BLOCK DRM_IOWR(0x12, struct drm_block)
#define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, struct drm_block)
#define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control)
#define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, struct drm_map)
#define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, struct drm_buf_desc)
#define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, struct drm_buf_desc)
#define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, struct drm_buf_info)
#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map)
#define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, struct drm_buf_free)
#define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, struct drm_map)
#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map)
#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map)
#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx)
#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx)
#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx)
#define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, struct drm_ctx)
#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, struct drm_ctx)
#define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, struct drm_ctx)
#define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, struct drm_ctx_res)
#define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, struct drm_draw)
#define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, struct drm_draw)
#define DRM_IOCTL_DMA DRM_IOWR(0x29, struct drm_dma)
#define DRM_IOCTL_LOCK DRM_IOW( 0x2a, struct drm_lock)
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock)
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#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode)
#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info)
#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, struct drm_agp_buffer)
#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, struct drm_agp_buffer)
#define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, struct drm_agp_binding)
#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, struct drm_agp_binding)
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#define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, struct drm_scatter_gather)
#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather)
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#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank)
#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw)
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#define DRM_IOCTL_MM_INIT DRM_IOWR(0xc0, struct drm_mm_init_arg)
#define DRM_IOCTL_MM_TAKEDOWN DRM_IOWR(0xc1, struct drm_mm_type_arg)
#define DRM_IOCTL_MM_LOCK DRM_IOWR(0xc2, struct drm_mm_type_arg)
#define DRM_IOCTL_MM_UNLOCK DRM_IOWR(0xc3, struct drm_mm_type_arg)
#define DRM_IOCTL_FENCE_CREATE DRM_IOWR(0xc4, struct drm_fence_arg)
#define DRM_IOCTL_FENCE_REFERENCE DRM_IOWR(0xc6, struct drm_fence_arg)
#define DRM_IOCTL_FENCE_UNREFERENCE DRM_IOWR(0xc7, struct drm_fence_arg)
#define DRM_IOCTL_FENCE_SIGNALED DRM_IOWR(0xc8, struct drm_fence_arg)
#define DRM_IOCTL_FENCE_FLUSH DRM_IOWR(0xc9, struct drm_fence_arg)
#define DRM_IOCTL_FENCE_WAIT DRM_IOWR(0xca, struct drm_fence_arg)
#define DRM_IOCTL_FENCE_EMIT DRM_IOWR(0xcb, struct drm_fence_arg)
#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcc, struct drm_fence_arg)
#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcd, struct drm_bo_create_arg)
#define DRM_IOCTL_BO_MAP DRM_IOWR(0xcf, struct drm_bo_map_wait_idle_arg)
#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xd0, struct drm_bo_handle_arg)
#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd1, struct drm_bo_reference_info_arg)
#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd2, struct drm_bo_handle_arg)
#define DRM_IOCTL_BO_SETSTATUS DRM_IOWR(0xd3, struct drm_bo_map_wait_idle_arg)
#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd4, struct drm_bo_reference_info_arg)
#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd5, struct drm_bo_map_wait_idle_arg)
#define DRM_IOCTL_BO_VERSION DRM_IOR(0xd6, struct drm_bo_version_arg)
#define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res)
#define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc)
#define DRM_IOCTL_MODE_GETOUTPUT DRM_IOWR(0xA2, struct drm_mode_get_output)
#define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA3, struct drm_mode_crtc)
#define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xA4, struct drm_mode_fb_cmd)
#define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xA5, unsigned int)
#define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xA6, struct drm_mode_fb_cmd)
#define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0xA7, struct drm_mode_output_set_property)
#define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xA8, struct drm_mode_get_blob)
#define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd)
#define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xAA, struct drm_mode_mode_cmd)
#define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAB, struct drm_mode_get_property)
/*@}*/
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/**
* Device specific ioctls should only be in their respective headers
* The device specific ioctl range is from 0x40 to 0x99.
* Generic IOCTLS restart at 0xA0.
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*
* \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
* drmCommandReadWrite().
*/
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#define DRM_COMMAND_BASE 0x40
#define DRM_COMMAND_END 0xA0
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/* typedef area */
#if !defined(__KERNEL__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
typedef struct drm_clip_rect drm_clip_rect_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;
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typedef struct drm_fence_arg drm_fence_arg_t;
typedef struct drm_mm_type_arg drm_mm_type_arg_t;
typedef struct drm_mm_init_arg drm_mm_init_arg_t;
typedef enum drm_bo_type drm_bo_type_t;
#endif
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#endif