struct drm_file {
unsigned always_authenticated :1;
unsigned authenticated :1;
- unsigned is_master :1; /* this file private is a master for a minor */
+ /* Whether we're master for a minor. Protected by master_mutex */
+ unsigned is_master :1;
/* true when the client has asked us to expose stereo 3D mode flags */
unsigned stereo_allowed :1;
#include <drm/drm_crtc.h>
-/* per-master structure */
+/**
+ * struct drm_master - drm master structure
+ *
+ * @refcount: Refcount for this master object.
+ * @minor: Link back to minor char device we are master for. Immutable.
+ * @unique: Unique identifier: e.g. busid. Protected by drm_global_mutex.
+ * @unique_len: Length of unique field. Protected by drm_global_mutex.
+ * @unique_size: Amount allocated. Protected by drm_global_mutex.
+ * @magiclist: Hash of used authentication tokens. Protected by struct_mutex.
+ * @magicfree: List of used authentication tokens. Protected by struct_mutex.
+ * @lock: DRI lock information.
+ * @driver_priv: Pointer to driver-private information.
+ */
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 kref refcount;
+ struct drm_minor *minor;
+ char *unique;
+ int unique_len;
+ int unique_size;
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 */
+ struct drm_lock_data lock;
+ void *driver_priv;
};
/* Size of ringbuffer for vblank timestamps. Just double-buffer
struct list_head debugfs_list;
struct mutex debugfs_lock; /* Protects debugfs_list. */
- struct drm_master *master; /* currently active master for this node */
- struct list_head master_list;
+ /* currently active master for this node. Protected by master_mutex */
+ struct drm_master *master;
struct drm_mode_group mode_group;
};
*/
struct drm_device {
struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */
- char *devname; /**< For /proc/interrupts */
int if_version; /**< Highest interface version set */
+ /** \name Lifetime Management */
+ /*@{ */
+ struct device *dev; /**< Device structure of bus-device */
+ struct drm_driver *driver; /**< DRM driver managing the device */
+ void *dev_private; /**< DRM driver private data */
+ struct drm_minor *control; /**< Control node */
+ struct drm_minor *primary; /**< Primary node */
+ struct drm_minor *render; /**< Render node */
+ atomic_t unplugged; /**< Flag whether dev is dead */
+ struct inode *anon_inode; /**< inode for private address-space */
+ char *unique; /**< unique name of the device */
+ /*@} */
+
/** \name Locks */
/*@{ */
spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
struct mutex struct_mutex; /**< For others */
+ struct mutex master_mutex; /**< For drm_minor::master and drm_file::is_master */
/*@} */
/** \name Usage Counters */
/** \name Context support */
/*@{ */
bool irq_enabled; /**< True if irq handler is enabled */
+ int irq;
+
__volatile__ long context_flag; /**< Context swapping flag */
int last_context; /**< Last current context */
/*@} */
struct drm_agp_head *agp; /**< AGP data */
- struct device *dev; /**< Device structure */
struct pci_dev *pdev; /**< PCI device structure */
#ifdef __alpha__
struct pci_controller *hose;
struct drm_sg_mem *sg; /**< Scatter gather memory */
unsigned int num_crtcs; /**< Number of CRTCs on this device */
- void *dev_private; /**< device private data */
- struct address_space *dev_mapping;
struct drm_sigdata sigdata; /**< For block_all_signals */
sigset_t sigmask;
- struct drm_driver *driver;
struct drm_local_map *agp_buffer_map;
unsigned int agp_buffer_token;
- struct drm_minor *control; /**< Control node for card */
- struct drm_minor *primary; /**< render type primary screen head */
- struct drm_minor *render; /**< render node for card */
struct drm_mode_config mode_config; /**< Current mode config */
struct drm_vma_offset_manager *vma_offset_manager;
/*@} */
int switch_power_state;
-
- atomic_t unplugged; /* device has been unplugged or gone away */
};
#define DRM_SWITCH_POWER_ON 0
return mutex_is_locked(&dev->mode_config.mutex);
}
-static inline bool drm_is_render_client(struct drm_file *file_priv)
+static inline bool drm_is_render_client(const struct drm_file *file_priv)
{
return file_priv->minor->type == DRM_MINOR_RENDER;
}
+static inline bool drm_is_control_client(const struct drm_file *file_priv)
+{
+ return file_priv->minor->type == DRM_MINOR_CONTROL;
+}
+
+static inline bool drm_is_primary_client(const struct drm_file *file_priv)
+{
+ return file_priv->minor->type == DRM_MINOR_LEGACY;
+}
+
/******************************************************************/
/** \name Internal function definitions */
/*@{*/
void drm_dev_free(struct drm_device *dev);
int drm_dev_register(struct drm_device *dev, unsigned long flags);
void drm_dev_unregister(struct drm_device *dev);
+int drm_dev_set_unique(struct drm_device *dev, const char *fmt, ...);
+
+struct drm_minor *drm_minor_acquire(unsigned int minor_id);
+void drm_minor_release(struct drm_minor *minor);
+
/*@}*/
/* PCI section */
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff