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/**
* \file drmP.h
* Private header for Direct Rendering Manager
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
*/
/*
* 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_P_H_
#define _DRM_P_H_
#ifdef __KERNEL__
#ifdef __alpha__
/* add include of current.h so that "current" is defined
* before static inline funcs in wait.h. Doing this so we
* can build the DRM (part of PI DRI). 4/21/2000 S + B */
#include <asm/current.h>
#endif /* __alpha__ */
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/pci.h>
#include <linux/version.h>
#include <linux/sched.h>
#include <linux/smp_lock.h> /* For (un)lock_kernel */
#include <linux/mm.h>
#include <linux/pagemap.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
#include <linux/mutex.h>
#endif
#if defined(__alpha__) || defined(__powerpc__)
#include <asm/pgtable.h> /* For pte_wrprotect */
#endif
#include <asm/io.h>
#include <asm/mman.h>
#include <asm/uaccess.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
#include <linux/types.h>
#include <linux/agp_backend.h>
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41)
#define HAS_WORKQUEUE 0
#else
#define HAS_WORKQUEUE 1
#endif
#if !HAS_WORKQUEUE
#include <linux/tqueue.h>
#else
#include <linux/workqueue.h>
#endif
#include <linux/poll.h>
#include <asm/pgalloc.h>
#include "drm.h"
#include <linux/slab.h>
#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
#define __OS_HAS_MTRR (defined(CONFIG_MTRR))
#include "drm_os_linux.h"
#include "drm_hashtab.h"
/* If you want the memory alloc debug functionality, change define below */
/* #define DEBUG_MEMORY */
/***********************************************************************/
/** \name DRM template customization defaults */
/*@{*/
/* driver capabilities and requirements mask */
#define DRIVER_USE_AGP 0x1
#define DRIVER_REQUIRE_AGP 0x2
#define DRIVER_USE_MTRR 0x4
#define DRIVER_PCI_DMA 0x8
#define DRIVER_SG 0x10
#define DRIVER_HAVE_DMA 0x20
#define DRIVER_HAVE_IRQ 0x40
#define DRIVER_IRQ_SHARED 0x80
#define DRIVER_IRQ_VBL 0x100
#define DRIVER_DMA_QUEUE 0x200
#define DRIVER_FB_DMA 0x400
#define DRIVER_IRQ_VBL2 0x800
/*@}*/
/***********************************************************************/
/** \name Begin the DRM... */
/*@{*/
#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then
also include looping detection. */
#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */
#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */
#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */
#define DRM_LOOPING_LIMIT 5000000
#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */
#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */
#define DRM_FLAG_DEBUG 0x01
#define DRM_MEM_DMA 0
#define DRM_MEM_SAREA 1
#define DRM_MEM_DRIVER 2
#define DRM_MEM_MAGIC 3
#define DRM_MEM_IOCTLS 4
#define DRM_MEM_MAPS 5
#define DRM_MEM_VMAS 6
#define DRM_MEM_BUFS 7
#define DRM_MEM_SEGS 8
#define DRM_MEM_PAGES 9
#define DRM_MEM_FILES 10
#define DRM_MEM_QUEUES 11
#define DRM_MEM_CMDS 12
#define DRM_MEM_MAPPINGS 13
#define DRM_MEM_BUFLISTS 14
#define DRM_MEM_AGPLISTS 15
#define DRM_MEM_TOTALAGP 16
#define DRM_MEM_BOUNDAGP 17
#define DRM_MEM_CTXBITMAP 18
#define DRM_MEM_STUB 19
#define DRM_MEM_SGLISTS 20
#define DRM_MEM_CTXLIST 21
#define DRM_MEM_MM 22
#define DRM_MEM_HASHTAB 23
#define DRM_MEM_OBJECTS 24
#define DRM_MEM_FENCE 25
#define DRM_MEM_TTM 26
#define DRM_MEM_BUFOBJ 27
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
#define DRM_MAP_HASH_OFFSET 0x10000000
/*@}*/
#include "drm_compat.h"
/***********************************************************************/
/** \name Macros to make printk easier */
/*@{*/
/**
* Error output.
*
* \param fmt printf() like format string.
* \param arg arguments
*/
#define DRM_ERROR(fmt, arg...) \
printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg)
/**
* Memory error output.
*
* \param area memory area where the error occurred.
* \param fmt printf() like format string.
* \param arg arguments
*/
#define DRM_MEM_ERROR(area, fmt, arg...) \
printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \
drm_mem_stats[area].name , ##arg)
#define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg)
/**
* Debug output.
*
* \param fmt printf() like format string.
* \param arg arguments
*/
#if DRM_DEBUG_CODE
#define DRM_DEBUG(fmt, arg...) \
do { \
if ( drm_debug ) \
printk(KERN_DEBUG \
"[" DRM_NAME ":%s] " fmt , \
__FUNCTION__ , ##arg); \
} while (0)
#else
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
#define DRM_PROC_LIMIT (PAGE_SIZE-80)
#define DRM_PROC_PRINT(fmt, arg...) \
len += sprintf(&buf[len], fmt , ##arg); \
if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; }
#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \
len += sprintf(&buf[len], fmt , ##arg); \
if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; }
/*@}*/
/***********************************************************************/
/** \name Internal types and structures */
/*@{*/
#define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x)
#define DRM_MIN(a,b) min(a,b)
#define DRM_MAX(a,b) max(a,b)
#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist)
#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
/**
* Get the private SAREA mapping.
*
* \param _dev DRM device.
* \param _ctx context number.
* \param _map output mapping.
*/
#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
(_map) = (_dev)->context_sareas[_ctx]; \
} while(0)
/**
* Test that the hardware lock is held by the caller, returning otherwise.
*
* \param dev DRM device.
* \param filp file pointer of the caller.
*/
#define LOCK_TEST_WITH_RETURN( dev, filp ) \
do { \
if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
dev->lock.filp != filp ) { \
DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\
__FUNCTION__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\
dev->lock.filp, filp ); \
return -EINVAL; \
} \
} while (0)
/**
* Copy and IOCTL return string to user space
*/
#define DRM_COPY( name, value ) \
len = strlen( value ); \
if ( len > name##_len ) len = name##_len; \
name##_len = strlen( value ); \
if ( len && name ) { \
if ( copy_to_user( name, value, len ) ) \
return -EFAULT; \
}
/**
* Ioctl function type.
*
* \param inode device inode.
* \param filp file pointer.
* \param cmd command.
* \param arg argument.
*/
typedef int drm_ioctl_t(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
unsigned long arg);
#define DRM_AUTH 0x1
#define DRM_MASTER 0x2
#define DRM_ROOT_ONLY 0x4
typedef struct drm_ioctl_desc {
drm_ioctl_t *func;
int flags;
} drm_ioctl_desc_t;
typedef struct drm_devstate {
pid_t owner; /**< X server pid holding x_lock */
} drm_devstate_t;
typedef struct drm_magic_entry {
drm_hash_item_t hash_item;
struct list_head head;
struct drm_file *priv;
} drm_magic_entry_t;
typedef struct drm_magic_head {
struct drm_magic_entry *head;
struct drm_magic_entry *tail;
} drm_magic_head_t;
typedef struct drm_vma_entry {
struct vm_area_struct *vma;
struct drm_vma_entry *next;
pid_t pid;
} drm_vma_entry_t;
/**
* DMA buffer.
*/
typedef struct drm_buf {
int idx; /**< Index into master buflist */
int total; /**< Buffer size */
int order; /**< log-base-2(total) */
int used; /**< Amount of buffer in use (for DMA) */
unsigned long offset; /**< Byte offset (used internally) */
void *address; /**< Address of buffer */
unsigned long bus_address; /**< Bus address of buffer */
struct drm_buf *next; /**< Kernel-only: used for free list */
__volatile__ int waiting; /**< On kernel DMA queue */
__volatile__ int pending; /**< On hardware DMA queue */
wait_queue_head_t dma_wait; /**< Processes waiting */
struct file *filp; /**< Pointer to holding file descr */
int context; /**< Kernel queue for this buffer */
int while_locked; /**< Dispatch this buffer while locked */
enum {
DRM_LIST_NONE = 0,
DRM_LIST_FREE = 1,
DRM_LIST_WAIT = 2,
DRM_LIST_PEND = 3,
DRM_LIST_PRIO = 4,
DRM_LIST_RECLAIM = 5
} list; /**< Which list we're on */
int dev_priv_size; /**< Size of buffer private storage */
void *dev_private; /**< Per-buffer private storage */
} drm_buf_t;
/** bufs is one longer than it has to be */
typedef struct drm_waitlist {
int count; /**< Number of possible buffers */
drm_buf_t **bufs; /**< List of pointers to buffers */
drm_buf_t **rp; /**< Read pointer */
drm_buf_t **wp; /**< Write pointer */
drm_buf_t **end; /**< End pointer */
spinlock_t read_lock;
spinlock_t write_lock;
} drm_waitlist_t;
typedef struct drm_freelist {
int initialized; /**< Freelist in use */
atomic_t count; /**< Number of free buffers */
drm_buf_t *next; /**< End pointer */
wait_queue_head_t waiting; /**< Processes waiting on free bufs */
int low_mark; /**< Low water mark */
int high_mark; /**< High water mark */
atomic_t wfh; /**< If waiting for high mark */
spinlock_t lock;
} drm_freelist_t;
typedef struct drm_dma_handle {
dma_addr_t busaddr;
void *vaddr;
size_t size;
} drm_dma_handle_t;
/**
* Buffer entry. There is one of this for each buffer size order.
*/
typedef struct drm_buf_entry {
int buf_size; /**< size */
int buf_count; /**< number of buffers */
drm_buf_t *buflist; /**< buffer list */
int seg_count;
int page_order;
drm_dma_handle_t **seglist;
drm_freelist_t freelist;
} drm_buf_entry_t;
/*
* This should be small enough to allow the use of kmalloc for hash tables
* instead of vmalloc.
*/
#define DRM_FILE_HASH_ORDER 8
typedef enum{
_DRM_REF_USE=0,
_DRM_REF_TYPE1,
_DRM_NO_REF_TYPES
} drm_ref_t;
/** File private data */
typedef struct drm_file {
int authenticated;
int master;
int minor;
pid_t pid;
uid_t uid;
drm_magic_t magic;
unsigned long ioctl_count;
struct drm_file *next;
struct drm_file *prev;
struct drm_head *head;
int remove_auth_on_close;
unsigned long lock_count;
/*
* The user object hash table is global and resides in the
* drm_device structure. We protect the lists and hash tables with the
* device struct_mutex. A bit coarse-grained but probably the best
* option.
*/
struct list_head refd_objects;
struct list_head user_objects;
drm_open_hash_t refd_object_hash[_DRM_NO_REF_TYPES];
void *driver_priv;
} drm_file_t;
/** Wait queue */
typedef struct drm_queue {
atomic_t use_count; /**< Outstanding uses (+1) */
atomic_t finalization; /**< Finalization in progress */
atomic_t block_count; /**< Count of processes waiting */
atomic_t block_read; /**< Queue blocked for reads */
wait_queue_head_t read_queue; /**< Processes waiting on block_read */
atomic_t block_write; /**< Queue blocked for writes */
wait_queue_head_t write_queue; /**< Processes waiting on block_write */
#if 1
atomic_t total_queued; /**< Total queued statistic */
atomic_t total_flushed; /**< Total flushes statistic */
atomic_t total_locks; /**< Total locks statistics */
#endif
drm_ctx_flags_t flags; /**< Context preserving and 2D-only */
drm_waitlist_t waitlist; /**< Pending buffers */
wait_queue_head_t flush_queue; /**< Processes waiting until flush */
} drm_queue_t;
/**
* Lock data.
*/
typedef struct drm_lock_data {
drm_hw_lock_t *hw_lock; /**< Hardware lock */
struct file *filp; /**< File descr of lock holder (0=kernel) */
wait_queue_head_t lock_queue; /**< Queue of blocked processes */
unsigned long lock_time; /**< Time of last lock in jiffies */
} drm_lock_data_t;
/**
* DMA data.
*/
typedef struct drm_device_dma {
drm_buf_entry_t bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
int buf_count; /**< total number of buffers */
drm_buf_t **buflist; /**< Vector of pointers into drm_device_dma::bufs */
int seg_count;
int page_count; /**< number of pages */
unsigned long *pagelist; /**< page list */
unsigned long byte_count;
enum {
_DRM_DMA_USE_AGP = 0x01,
_DRM_DMA_USE_SG = 0x02,
_DRM_DMA_USE_FB = 0x04
} flags;
} drm_device_dma_t;
/**
* AGP memory entry. Stored as a doubly linked list.
*/
typedef struct drm_agp_mem {
unsigned long handle; /**< handle */
DRM_AGP_MEM *memory;
unsigned long bound; /**< address */
int pages;
struct drm_agp_mem *prev; /**< previous entry */
struct drm_agp_mem *next; /**< next entry */
} drm_agp_mem_t;
/**
* AGP data.
*
* \sa drm_agp_init)() and drm_device::agp.
*/
typedef struct drm_agp_head {
DRM_AGP_KERN agp_info; /**< AGP device information */
drm_agp_mem_t *memory; /**< memory entries */
unsigned long mode; /**< AGP mode */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,11)
struct agp_bridge_data *bridge;
#endif
int enabled; /**< whether the AGP bus as been enabled */
int acquired; /**< whether the AGP device has been acquired */
unsigned long base;
int agp_mtrr;
int cant_use_aperture;
unsigned long page_mask;
} drm_agp_head_t;
/**
* Scatter-gather memory.
*/
typedef struct drm_sg_mem {
unsigned long handle;
void *virtual;
int pages;
struct page **pagelist;
dma_addr_t *busaddr;
} drm_sg_mem_t;
typedef struct drm_sigdata {
int context;
drm_hw_lock_t *lock;
} drm_sigdata_t;
/**
* Mappings list
*/
typedef struct drm_map_list {
struct list_head head; /**< list head */
drm_hash_item_t hash;
drm_map_t *map; /**< mapping */
drm_u64_t user_token;
} drm_map_list_t;
typedef drm_map_t drm_local_map_t;
/**
* Context handle list
*/
typedef struct drm_ctx_list {
struct list_head head; /**< list head */
drm_context_t handle; /**< context handle */
drm_file_t *tag; /**< associated fd private data */
} drm_ctx_list_t;
typedef struct drm_vbl_sig {
struct list_head head;
unsigned int sequence;
struct siginfo info;
struct task_struct *task;
} drm_vbl_sig_t;
/* location of GART table */
#define DRM_ATI_GART_MAIN 1
#define DRM_ATI_GART_FB 2
typedef struct ati_pcigart_info {
int gart_table_location;
int is_pcie;
void *addr;
dma_addr_t bus_addr;
drm_local_map_t mapping;
} drm_ati_pcigart_info;
/*
* Generic memory manager structs
*/
typedef struct drm_mm_node {
struct list_head fl_entry;
struct list_head ml_entry;
int free;
unsigned long start;
unsigned long size;
void *private;
} drm_mm_node_t;
typedef struct drm_mm {
drm_mm_node_t root_node;
} drm_mm_t;
/*
* User space objects and their references.
*/
#define drm_user_object_entry(_ptr, _type, _member) container_of(_ptr, _type, _member)
typedef enum {
drm_fence_type,
drm_buffer_type,
drm_ttm_type
/*
* Add other user space object types here.
*/
} drm_object_type_t;
/*
* A user object is a structure that helps the drm give out user handles
* to kernel internal objects and to keep track of these objects so that
* they can be destroyed, for example when the user space process exits.
* Designed to be accessible using a user space 32-bit handle.
*/
typedef struct drm_user_object{
drm_hash_item_t hash;
struct list_head list;
drm_object_type_t type;
atomic_t refcount;
int shareable;
drm_file_t *owner;
void (*ref_struct_locked) (drm_file_t *priv, struct drm_user_object *obj,
drm_ref_t ref_action);
void (*unref)(drm_file_t *priv, struct drm_user_object *obj,
drm_ref_t unref_action);
void (*remove)(drm_file_t *priv, struct drm_user_object *obj);
} drm_user_object_t;
/*
* A ref object is a structure which is used to
* keep track of references to user objects and to keep track of these
* references so that they can be destroyed for example when the user space
* process exits. Designed to be accessible using a pointer to the _user_ object.
*/
typedef struct drm_ref_object {
drm_hash_item_t hash;
struct list_head list;
atomic_t refcount;
drm_ref_t unref_action;
} drm_ref_object_t;
#include "drm_ttm.h"
/*
* buffer object driver
*/
typedef struct drm_bo_driver{
int cached_tt;
int cached_vram;
drm_local_map_t *vram_map;
drm_ttm_backend_t *(*create_ttm_backend_entry)
(struct drm_device *dev, int cached);
int (*fence_type)(uint32_t flags, uint32_t *class, uint32_t *type);
int (*invalidate_caches)(struct drm_device *dev, uint32_t flags);
} drm_bo_driver_t;
/**
* DRM driver structure. This structure represent the common code for
* a family of cards. There will one drm_device for each card present
* in this family
*/
struct drm_device;
struct drm_driver {
int (*load) (struct drm_device *, unsigned long flags);
int (*firstopen) (struct drm_device *);
int (*open) (struct drm_device *, drm_file_t *);
void (*preclose) (struct drm_device *, struct file * filp);
void (*postclose) (struct drm_device *, drm_file_t *);
void (*lastclose) (struct drm_device *);
int (*unload) (struct drm_device *);
int (*dma_ioctl) (DRM_IOCTL_ARGS);
void (*dma_ready) (struct drm_device *);
int (*dma_quiescent) (struct drm_device *);
int (*context_ctor) (struct drm_device * dev, int context);
int (*context_dtor) (struct drm_device * dev, int context);
int (*kernel_context_switch) (struct drm_device * dev, int old,
int new);
void (*kernel_context_switch_unlock) (struct drm_device * dev);
int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence);
int (*dri_library_name) (struct drm_device * dev, char * buf);
/**
* Called by \c drm_device_is_agp. Typically used to determine if a
* card is really attached to AGP or not.
*
* \param dev DRM device handle
*
* \returns
* One of three values is returned depending on whether or not the
* card is absolutely \b not AGP (return of 0), absolutely \b is AGP
* (return of 1), or may or may not be AGP (return of 2).
*/
int (*device_is_agp) (struct drm_device * dev);
/* these have to be filled in */
irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
void (*irq_preinstall) (struct drm_device * dev);
void (*irq_postinstall) (struct drm_device * dev);
void (*irq_uninstall) (struct drm_device * dev);
void (*reclaim_buffers) (struct drm_device *dev, struct file * filp);
void (*reclaim_buffers_locked) (struct drm_device *dev,
struct file * filp);
unsigned long (*get_map_ofs) (drm_map_t * map);
unsigned long (*get_reg_ofs) (struct drm_device * dev);
void (*set_version) (struct drm_device * dev, drm_set_version_t * sv);
struct drm_fence_driver *fence_driver;
struct drm_bo_driver *bo_driver;
int major;
int minor;
int patchlevel;
char *name;
char *desc;
char *date;
/* variables */
u32 driver_features;
int dev_priv_size;
drm_ioctl_desc_t *ioctls;
int num_ioctls;
struct file_operations fops;
struct pci_driver pci_driver;
};
/**
* DRM head structure. This structure represent a video head on a card
* that may contain multiple heads. Embed one per head of these in the
* private drm_device structure.
*/
typedef struct drm_head {
int minor; /**< Minor device number */
struct drm_device *dev;
struct proc_dir_entry *dev_root; /**< proc directory entry */
dev_t device; /**< Device number for mknod */
struct class_device *dev_class;
} drm_head_t;
typedef struct drm_cache {
/*
* Memory caches
*/
kmem_cache_t *mm;
kmem_cache_t *fence_object;
kmem_cache_t *ref_object;
} drm_cache_t;
typedef struct drm_fence_driver{
int no_types;
uint32_t wrap_diff;
uint32_t flush_diff;
uint32_t sequence_mask;
int lazy_capable;
int (*emit) (struct drm_device *dev, uint32_t flags,
uint32_t *breadcrumb,
uint32_t *native_type);
void (*poke_flush) (struct drm_device *dev);
} drm_fence_driver_t;
#define _DRM_FENCE_TYPE_EXE 0x00
typedef struct drm_fence_manager{
int initialized;
rwlock_t lock;
/*
* The list below should be maintained in sequence order and
* access is protected by the above spinlock.
*/
struct list_head ring;
struct list_head *fence_types[32];
volatile uint32_t pending_flush;
wait_queue_head_t fence_queue;
int pending_exe_flush;
uint32_t last_exe_flush;
uint32_t exe_flush_sequence;
atomic_t count;
} drm_fence_manager_t;
typedef struct drm_buffer_manager{
int initialized;
drm_file_t *last_to_validate;
int has_vram;
int has_tt;
int use_vram;
int use_tt;
drm_mm_t tt_manager;
drm_mm_t vram_manager;
struct list_head tt_lru;
struct list_head vram_lru;
struct list_head tt_pinned;
struct list_head vram_pinned;
struct list_head unfenced;
struct list_head ddestroy;
struct list_head other;
struct work_struct wq;
uint32_t fence_type;
unsigned long max_pages;
unsigned long cur_pages;
atomic_t count;
} drm_buffer_manager_t;
/**
* DRM device structure. This structure represent a complete card that
* may contain multiple heads.
*/
typedef struct drm_device {
char *unique; /**< Unique identifier: e.g., busid */
int unique_len; /**< Length of unique field */
char *devname; /**< For /proc/interrupts */
int if_version; /**< Highest interface version set */
int blocked; /**< Blocked due to VC switch? */
/** \name Locks */
/*@{ */
spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
struct mutex struct_mutex; /**< For others */
/*@} */
/** \name Usage Counters */
/*@{ */
int open_count; /**< Outstanding files open */
atomic_t ioctl_count; /**< Outstanding IOCTLs pending */
atomic_t vma_count; /**< Outstanding vma areas open */
int buf_use; /**< Buffers in use -- cannot alloc */
atomic_t buf_alloc; /**< Buffer allocation in progress */
/*@} */
/** \name Performance counters */
/*@{ */
unsigned long counters;
drm_stat_type_t types[15];
atomic_t counts[15];
/*@} */
/** \name Authentication */
/*@{ */
drm_file_t *file_first; /**< file list head */
drm_file_t *file_last; /**< file list tail */
drm_open_hash_t magiclist;
struct list_head magicfree;
/*@} */
/** \name Memory management */
/*@{ */
drm_map_list_t *maplist; /**< Linked list of regions */
int map_count; /**< Number of mappable regions */
drm_open_hash_t map_hash; /**< User token hash table for maps */
drm_open_hash_t object_hash; /**< User token hash table for objects */
/** \name Context handle management */
/*@{ */
drm_ctx_list_t *ctxlist; /**< Linked list of context handles */
int ctx_count; /**< Number of context handles */
struct mutex ctxlist_mutex; /**< For ctxlist */
drm_map_t **context_sareas; /**< per-context SAREA's */
int max_context;
drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */
drm_lock_data_t lock; /**< Information on hardware lock */
/*@} */
/** \name DMA queues (contexts) */
/*@{ */
int queue_count; /**< Number of active DMA queues */
int queue_reserved; /**< Number of reserved DMA queues */
int queue_slots; /**< Actual length of queuelist */
drm_queue_t **queuelist; /**< Vector of pointers to DMA queues */
drm_device_dma_t *dma; /**< Optional pointer for DMA support */
/*@} */
/** \name Context support */
/*@{ */
int irq; /**< Interrupt used by board */
int irq_enabled; /**< True if irq handler is enabled */
__volatile__ long context_flag; /**< Context swapping flag */
__volatile__ long interrupt_flag; /**< Interruption handler flag */
__volatile__ long dma_flag; /**< DMA dispatch flag */
struct timer_list timer; /**< Timer for delaying ctx switch */
wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
int last_checked; /**< Last context checked for DMA */
int last_context; /**< Last current context */
unsigned long last_switch; /**< jiffies at last context switch */
/*@} */
#if !HAS_WORKQUEUE
struct tq_struct tq;
#else
struct work_struct work;
#endif
/** \name VBLANK IRQ support */
/*@{ */
wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
atomic_t vbl_received;
atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */
spinlock_t vbl_lock;
drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */
drm_vbl_sig_t vbl_sigs2; /**< signals to send on secondary VBLANK */
unsigned int vbl_pending;
spinlock_t tasklet_lock; /**< For drm_locked_tasklet */
void (*locked_tasklet_func)(struct drm_device *dev);
/*@} */
cycles_t ctx_start;
cycles_t lck_start;
struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */
wait_queue_head_t buf_readers; /**< Processes waiting to read */
wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */
drm_agp_head_t *agp; /**< AGP data */
struct pci_dev *pdev; /**< PCI device structure */
#ifdef __alpha__
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
struct pci_controler *hose;
#else
struct pci_controller *hose;
#endif
#endif
drm_sg_mem_t *sg; /**< Scatter gather memory */
unsigned long *ctx_bitmap; /**< context bitmap */
void *dev_private; /**< device private data */
drm_sigdata_t sigdata; /**< For block_all_signals */
sigset_t sigmask;
struct drm_driver *driver;
drm_local_map_t *agp_buffer_map;
unsigned int agp_buffer_token;
drm_head_t primary; /**< primary screen head */
drm_fence_manager_t fm;
drm_buffer_manager_t bm;
/** \name Drawable information */
/*@{ */
spinlock_t drw_lock;
unsigned int drw_bitfield_length;
u32 *drw_bitfield;
unsigned int drw_info_length;
drm_drawable_info_t **drw_info;
/*@} */
} drm_device_t;
#if __OS_HAS_AGP
typedef struct drm_agp_ttm_priv {
DRM_AGP_MEM *mem;
struct agp_bridge_data *bridge;
unsigned mem_type;
int populated;
} drm_agp_ttm_priv;
#endif
typedef struct drm_fence_object{
drm_user_object_t base;
atomic_t usage;
/*
* The below three fields are protected by the fence manager spinlock.
*/
struct list_head ring;
int class;
uint32_t native_type;
uint32_t type;
uint32_t signaled;
uint32_t sequence;
uint32_t flush_mask;
uint32_t submitted_flush;
} drm_fence_object_t;
typedef struct drm_buffer_object{
drm_device_t *dev;
drm_user_object_t base;
/*
* If there is a possibility that the usage variable is zero,
* then dev->struct_mutext should be locked before incrementing it.
*/
atomic_t usage;
drm_ttm_object_t *ttm_object;
drm_ttm_backend_list_t *ttm_region;
unsigned long num_pages;
unsigned long buffer_start;
drm_bo_type_t type;
unsigned long offset;
atomic_t mapped;
uint32_t flags;
uint32_t mask;
drm_mm_node_t *vram;
drm_mm_node_t *tt;
struct list_head tt_lru;
struct list_head vram_lru;
struct list_head ddestroy;
uint32_t fence_type;
uint32_t fence_class;
drm_fence_object_t *fence;
uint32_t priv_flags;
wait_queue_head_t event_queue;
struct mutex mutex;
} drm_buffer_object_t;
#define _DRM_BO_FLAG_UNFENCED 0x00000001
#define _DRM_BO_FLAG_EVICTED 0x00000002
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
{
return ((dev->driver->driver_features & feature) ? 1 : 0);
}
#ifdef __alpha__
#define drm_get_pci_domain(dev) dev->hose->bus->number
#else
#define drm_get_pci_domain(dev) pci_domain_nr(dev->pdev->bus)
#endif
#if __OS_HAS_AGP
static inline int drm_core_has_AGP(struct drm_device *dev)
{
return drm_core_check_feature(dev, DRIVER_USE_AGP);
}
#else
#define drm_core_has_AGP(dev) (0)
#endif
#if __OS_HAS_MTRR
static inline int drm_core_has_MTRR(struct drm_device *dev)
{
return drm_core_check_feature(dev, DRIVER_USE_MTRR);
}
#define DRM_MTRR_WC MTRR_TYPE_WRCOMB
static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
unsigned int flags)
{
return mtrr_add(offset, size, flags, 1);
}
static inline int drm_mtrr_del(int handle, unsigned long offset,
unsigned long size, unsigned int flags)
{
return mtrr_del(handle, offset, size);
}
#else
#define drm_core_has_MTRR(dev) (0)
#endif
/******************************************************************/
/** \name Internal function definitions */
/*@{*/
/* Driver support (drm_drv.h) */
extern int drm_fb_loaded;
extern int drm_init(struct drm_driver *driver,
struct pci_device_id *pciidlist);
extern void drm_exit(struct drm_driver *driver);
extern void drm_cleanup_pci(struct pci_dev *pdev);
extern int drm_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern long drm_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_lastclose(drm_device_t * dev);
/* Device support (drm_fops.h) */
extern int drm_open(struct inode *inode, struct file *filp);
extern int drm_stub_open(struct inode *inode, struct file *filp);
extern int drm_fasync(int fd, struct file *filp, int on);
extern int drm_release(struct inode *inode, struct file *filp);
unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
/* Mapping support (drm_vm.h) */
extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
extern unsigned long drm_core_get_map_ofs(drm_map_t * map);
extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);
extern pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma);
/* Memory management support (drm_memory.h) */
#include "drm_memory.h"
extern void drm_mem_init(void);
extern int drm_mem_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
extern void *drm_calloc(size_t nmemb, size_t size, int area);
extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
extern unsigned long drm_alloc_pages(int order, int area);
extern void drm_free_pages(unsigned long address, int order, int area);
extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type);
extern int drm_free_agp(DRM_AGP_MEM * handle, int pages);
extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
extern int drm_unbind_agp(DRM_AGP_MEM * handle);
/* Misc. IOCTL support (drm_ioctl.h) */
extern int drm_irq_by_busid(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_getunique(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_setunique(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_getmap(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_getclient(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_getstats(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_setversion(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_noop(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
/* Context IOCTL support (drm_context.h) */
extern int drm_resctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_addctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_modctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_getctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_switchctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_newctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_rmctx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_ctxbitmap_init(drm_device_t * dev);
extern void drm_ctxbitmap_cleanup(drm_device_t * dev);
extern void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle);
extern int drm_setsareactx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_getsareactx(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
/* Drawable IOCTL support (drm_drawable.h) */
extern int drm_adddraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_rmdraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_update_drawable_info(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev,
drm_drawable_t id);
/* Authentication IOCTL support (drm_auth.h) */
extern int drm_getmagic(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_authmagic(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
/* Locking IOCTL support (drm_lock.h) */
extern int drm_lock(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_unlock(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context);
extern int drm_lock_free(drm_device_t * dev,
__volatile__ unsigned int *lock, unsigned int context);
/*
* These are exported to drivers so that they can implement fencing using
* DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
*/
extern int drm_i_have_hw_lock(struct file *filp);
extern int drm_kernel_take_hw_lock(struct file *filp);
/* Buffer management support (drm_bufs.h) */
extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request);
extern int drm_addbufs_fb (drm_device_t * dev, drm_buf_desc_t * request);
extern int drm_addmap(drm_device_t * dev, unsigned int offset,
unsigned int size, drm_map_type_t type,
drm_map_flags_t flags, drm_local_map_t ** map_ptr);
extern int drm_addmap_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_rmmap(drm_device_t *dev, drm_local_map_t *map);
extern int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map);
extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_addbufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_infobufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_markbufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_freebufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_mapbufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_order(unsigned long size);
extern unsigned long drm_get_resource_start(drm_device_t *dev,
unsigned int resource);
extern unsigned long drm_get_resource_len(drm_device_t *dev,
unsigned int resource);
/* DMA support (drm_dma.h) */
extern int drm_dma_setup(drm_device_t * dev);
extern void drm_dma_takedown(drm_device_t * dev);
extern void drm_free_buffer(drm_device_t * dev, drm_buf_t * buf);
extern void drm_core_reclaim_buffers(drm_device_t *dev, struct file *filp);
/* IRQ support (drm_irq.h) */
extern int drm_control(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
extern int drm_irq_uninstall(drm_device_t *dev);
extern void drm_driver_irq_preinstall(drm_device_t * dev);
extern void drm_driver_irq_postinstall(drm_device_t * dev);
extern void drm_driver_irq_uninstall(drm_device_t * dev);
extern int drm_wait_vblank(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq);
extern void drm_vbl_send_signals(drm_device_t * dev);
extern void drm_locked_tasklet(drm_device_t *dev, void(*func)(drm_device_t*));
/* AGP/GART support (drm_agpsupport.h) */
extern drm_agp_head_t *drm_agp_init(drm_device_t *dev);
extern int drm_agp_acquire(drm_device_t * dev);
extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_release(drm_device_t *dev);
extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode);
extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info);
extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request);
extern int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request);
extern int drm_agp_free_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_unbind(drm_device_t *dev, drm_agp_binding_t *request);
extern int drm_agp_unbind_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_bind(drm_device_t *dev, drm_agp_binding_t *request);
extern int drm_agp_bind_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
extern DRM_AGP_MEM *drm_agp_allocate_memory(size_t pages, u32 type);
#else
extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type);
#endif
extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
extern drm_ttm_backend_t *drm_agp_init_ttm_cached(struct drm_device *dev,
drm_ttm_backend_t *backend);
extern drm_ttm_backend_t *drm_agp_init_ttm_uncached(struct drm_device *dev,
drm_ttm_backend_t *backend);
/* Stub support (drm_stub.h) */
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);
extern int drm_put_dev(drm_device_t * dev);
extern int drm_put_head(drm_head_t * head);
extern unsigned int drm_debug; /* 1 to enable debug output */
extern unsigned int drm_cards_limit;
extern drm_head_t **drm_heads;
extern drm_cache_t drm_cache;
extern struct drm_sysfs_class *drm_class;
extern struct proc_dir_entry *drm_proc_root;
/* Proc support (drm_proc.h) */
extern int drm_proc_init(drm_device_t * dev,
int minor,
struct proc_dir_entry *root,
struct proc_dir_entry **dev_root);
extern int drm_proc_cleanup(int minor,
struct proc_dir_entry *root,
struct proc_dir_entry *dev_root);
/* Scatter Gather Support (drm_scatter.h) */
extern void drm_sg_cleanup(drm_sg_mem_t * entry);
extern int drm_sg_alloc(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_sg_free(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
/* ATI PCIGART support (ati_pcigart.h) */
extern int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info *gart_info);
extern int drm_ati_pcigart_cleanup(drm_device_t * dev, drm_ati_pcigart_info *gart_info);
extern drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size,
size_t align, dma_addr_t maxaddr);
extern void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t *dmah);
extern void drm_pci_free(drm_device_t * dev, drm_dma_handle_t *dmah);
/* sysfs support (drm_sysfs.c) */
struct drm_sysfs_class;
extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner,
char *name);
extern void drm_sysfs_destroy(struct drm_sysfs_class *cs);
extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
drm_head_t * head);
extern void drm_sysfs_device_remove(struct class_device *class_dev);
/*
* Basic memory manager support (drm_mm.c)
*/
extern drm_mm_node_t * drm_mm_get_block(drm_mm_node_t * parent, unsigned long size,
unsigned alignment);
extern void drm_mm_put_block(drm_mm_t *mm, drm_mm_node_t *cur);
extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size,
unsigned alignment, int best_match);
extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size);
extern void drm_mm_takedown(drm_mm_t *mm);
extern int drm_mm_clean(drm_mm_t *mm);
/*
* User space object bookkeeping (drm_object.c)
*/
/*
* Must be called with the struct_mutex held.
*/
extern int drm_add_user_object(drm_file_t *priv, drm_user_object_t *item,
/*
* Must be called with the struct_mutex held.
*/
int shareable);
extern drm_user_object_t *drm_lookup_user_object(drm_file_t *priv, uint32_t key);
/*
* Must be called with the struct_mutex held.
* If "item" has been obtained by a call to drm_lookup_user_object. You may not
* release the struct_mutex before calling drm_remove_ref_object.
* This function may temporarily release the struct_mutex.
*/
extern int drm_remove_user_object(drm_file_t *priv, drm_user_object_t *item);
/*
* Must be called with the struct_mutex held. May temporarily release it.
*/
extern int drm_add_ref_object(drm_file_t *priv, drm_user_object_t *referenced_object,
drm_ref_t ref_action);
/*
* Must be called with the struct_mutex held.
*/
drm_ref_object_t *drm_lookup_ref_object(drm_file_t *priv,
drm_user_object_t *referenced_object,
drm_ref_t ref_action);
/*
* Must be called with the struct_mutex held.
* If "item" has been obtained by a call to drm_lookup_ref_object. You may not
* release the struct_mutex before calling drm_remove_ref_object.
* This function may temporarily release the struct_mutex.
*/
extern void drm_remove_ref_object(drm_file_t *priv, drm_ref_object_t *item);
extern int drm_user_object_ref(drm_file_t *priv, uint32_t user_token, drm_object_type_t type,
drm_user_object_t **object);
extern int drm_user_object_unref(drm_file_t *priv, uint32_t user_token, drm_object_type_t type);
/*
* fence objects (drm_fence.c)
*/
extern void drm_fence_handler(drm_device_t *dev, uint32_t breadcrumb, uint32_t type);
extern void drm_fence_manager_init(drm_device_t *dev);
extern void drm_fence_manager_takedown(drm_device_t *dev);
extern void drm_fence_flush_old(drm_device_t *dev, uint32_t sequence);
extern int drm_fence_object_flush(drm_device_t * dev,
volatile drm_fence_object_t * fence,
uint32_t type);
extern int drm_fence_object_signaled(volatile drm_fence_object_t * fence,
uint32_t type);
extern void drm_fence_usage_deref_locked(drm_device_t * dev,
drm_fence_object_t * fence);
extern void drm_fence_usage_deref_unlocked(drm_device_t * dev,
drm_fence_object_t * fence);
extern int drm_fence_object_wait(drm_device_t * dev,
volatile drm_fence_object_t * fence,
int lazy, int ignore_signals, uint32_t mask);
extern int drm_fence_object_create(drm_device_t *dev, uint32_t type,
uint32_t fence_flags,
drm_fence_object_t **c_fence);
extern int drm_fence_add_user_object(drm_file_t *priv,
drm_fence_object_t *fence,
int shareable);
extern int drm_fence_ioctl(DRM_IOCTL_ARGS);
/*
* buffer objects (drm_bo.c)
*/
extern int drm_bo_ioctl(DRM_IOCTL_ARGS);
extern int drm_mm_init_ioctl(DRM_IOCTL_ARGS);
extern int drm_bo_clean_mm(drm_device_t *dev);
extern int drm_fence_buffer_objects(drm_file_t * priv,
struct list_head *list,
uint32_t fence_flags,
drm_fence_object_t *fence,
drm_fence_object_t **used_fence);
/* Inline replacements for DRM_IOREMAP macros */
static __inline__ void drm_core_ioremap(struct drm_map *map,
struct drm_device *dev)
{
map->handle = drm_ioremap(map->offset, map->size, dev);
}
static __inline__ void drm_core_ioremap_nocache(struct drm_map *map,
struct drm_device *dev)
{
map->handle = drm_ioremap_nocache(map->offset, map->size, dev);
}
static __inline__ void drm_core_ioremapfree(struct drm_map *map,
struct drm_device *dev)
{
if (map->handle && map->size)
drm_ioremapfree(map->handle, map->size, dev);
}
static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev,
unsigned int token)
{
drm_map_list_t *_entry;
list_for_each_entry(_entry, &dev->maplist->head, head)
if (_entry->user_token == token)
return _entry->map;
return NULL;
}
static __inline__ int drm_device_is_agp(drm_device_t *dev)
{
if ( dev->driver->device_is_agp != NULL ) {
int err = (*dev->driver->device_is_agp)( dev );
if (err != 2) {
return err;
}
}
return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
}
static __inline__ int drm_device_is_pcie(drm_device_t *dev)
{
return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
}
static __inline__ void drm_core_dropmap(struct drm_map *map)
{
}
#ifndef DEBUG_MEMORY
/** Wrapper around kmalloc() */
static __inline__ void *drm_alloc(size_t size, int area)
{
return kmalloc(size, GFP_KERNEL);
}
/** Wrapper around kfree() */
static __inline__ void drm_free(void *pt, size_t size, int area)
{
kfree(pt);
}
#else
extern void *drm_alloc(size_t size, int area);
extern void drm_free(void *pt, size_t size, int area);
#endif
/*@}*/
#endif /* __KERNEL__ */
#endif
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