*/
#define LOCK_TEST_WITH_RETURN( dev, file_priv ) \
do { \
- if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
- dev->lock.file_priv != file_priv ) { \
+ if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock) || \
+ file_priv->master->lock.file_priv != file_priv) { \
DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\
- __func__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\
- dev->lock.file_priv, file_priv ); \
+ __func__, _DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock),\
+ file_priv->master->lock.file_priv, file_priv); \
return -EINVAL; \
} \
} while (0)
/** File private data */
struct drm_file {
int authenticated;
- int master;
pid_t pid;
uid_t uid;
drm_magic_t magic;
unsigned long ioctl_count;
struct list_head lhead;
struct drm_minor *minor;
- int remove_auth_on_close;
unsigned long lock_count;
+
/** Mapping of mm object handles to object pointers. */
struct idr object_idr;
/** Lock for synchronization of access to object_idr. */
spinlock_t table_lock;
+
struct file *filp;
void *driver_priv;
+
+ int is_master; /* this file private is a master for a minor */
+ struct drm_master *master; /* master this node is currently associated with
+ N.B. not always minor->master */
};
/** Wait queue */
struct drm_hash_item hash;
struct drm_map *map; /**< mapping */
uint64_t user_token;
+ struct drm_master *master;
+ struct drm_mm_node *file_offset_node; /**< fake offset */
};
typedef struct drm_map drm_local_map_t;
};
/**
+ * GEM specific mm private for tracking GEM objects
+ */
+struct drm_gem_mm {
+ struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */
+ struct drm_open_hash offset_hash; /**< User token hash table for maps */
+};
+
+/**
* This structure defines the drm_mm memory object, which will be used by the
* DRM for its buffer objects.
*/
/** File representing the shmem storage */
struct file *filp;
+ /* Mapping info for this object */
+ struct drm_map_list map_list;
+
/**
* Size of the object, in bytes. Immutable over the object's
* lifetime.
void *driver_private;
};
+/* per-master structure */
+struct drm_master {
+
+ struct kref refcount; /* refcount for this master */
+
+ struct list_head head; /**< each minor contains a list of masters */
+ struct drm_minor *minor; /**< link back to minor we are a master for */
+
+ char *unique; /**< Unique identifier: e.g., busid */
+ int unique_len; /**< Length of unique field */
+ int unique_size; /**< amount allocated */
+
+ int blocked; /**< Blocked due to VC switch? */
+
+ /** \name Authentication */
+ /*@{ */
+ struct drm_open_hash magiclist;
+ struct list_head magicfree;
+ /*@} */
+
+ struct drm_lock_data lock; /**< Information on hardware lock */
+
+ void *driver_priv; /**< Private structure for driver to use */
+};
+
/**
* DRM driver structure. This structure represent the common code for
* a family of cards. There will one drm_device for each card present
void (*set_version) (struct drm_device *dev,
struct drm_set_version *sv);
+ /* Master routines */
+ int (*master_create)(struct drm_device *dev, struct drm_master *master);
+ void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
+
int (*proc_init)(struct drm_minor *minor);
void (*proc_cleanup)(struct drm_minor *minor);
int (*gem_init_object) (struct drm_gem_object *obj);
void (*gem_free_object) (struct drm_gem_object *obj);
+ /* Driver private ops for this object */
+ struct vm_operations_struct *gem_vm_ops;
+
int major;
int minor;
int patchlevel;
int num_ioctls;
struct file_operations fops;
struct pci_driver pci_driver;
+ /* List of devices hanging off this driver */
+ struct list_head device_list;
};
#define DRM_MINOR_UNASSIGNED 0
struct device kdev; /**< Linux device */
struct drm_device *dev;
struct proc_dir_entry *dev_root; /**< proc directory entry */
+ struct drm_master *master; /* currently active master for this node */
+ struct list_head master_list;
};
/**
* may contain multiple heads.
*/
struct drm_device {
- char *unique; /**< Unique identifier: e.g., busid */
- int unique_len; /**< Length of unique field */
+ struct list_head driver_item; /**< list of devices per driver */
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 */
atomic_t counts[15];
/*@} */
- /** \name Authentication */
- /*@{ */
struct list_head filelist;
- struct drm_open_hash magiclist; /**< magic hash table */
- struct list_head magicfree;
- /*@} */
/** \name Memory management */
/*@{ */
struct idr ctx_idr;
struct list_head vmalist; /**< List of vmas (for debugging) */
- struct drm_lock_data lock; /**< Information on hardware lock */
/*@} */
/** \name DMA queues (contexts) */
struct drm_sg_mem *sg; /**< Scatter gather memory */
int num_crtcs; /**< Number of CRTCs on this device */
void *dev_private; /**< device private data */
+ void *mm_private;
+ struct address_space *dev_mapping;
struct drm_sigdata sigdata; /**< For block_all_signals */
sigset_t sigmask;
/* Mapping support (drm_vm.h) */
extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
+extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma);
+extern void drm_vm_open_locked(struct vm_area_struct *vma);
extern unsigned long drm_core_get_map_ofs(struct drm_map * map);
extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);
extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
+extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+struct drm_master *drm_master_create(struct drm_minor *minor);
+extern struct drm_master *drm_master_get(struct drm_master *master);
+extern void drm_master_put(struct drm_master **master);
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);
extern int drm_put_dev(struct drm_device *dev);
/* Graphics Execution Manager library functions (drm_gem.c) */
int drm_gem_init(struct drm_device *dev);
+void drm_gem_destroy(struct drm_device *dev);
void drm_gem_object_free(struct kref *kref);
struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
size_t size);
void drm_gem_object_handle_free(struct kref *kref);
+int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
static inline void
drm_gem_object_reference(struct drm_gem_object *obj)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff