Merge branch 'for-2.6.30' into for-2.6.31

1 files changed, 118 insertions, 38 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index afb7858c068d..c8c422151431 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -281,16 +281,16 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
 
 struct drm_ioctl_desc {
         unsigned int cmd;
-        drm_ioctl_t *func;
         int flags;
+        drm_ioctl_t *func;
 };
 
 /**
  * Creates a driver or general drm_ioctl_desc array entry for the given
  * ioctl, for use by drm_ioctl().
  */
-#define DRM_IOCTL_DEF(ioctl, func, flags) \
-        [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
+#define DRM_IOCTL_DEF(ioctl, _func, _flags) \
+        [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags}
 
 struct drm_magic_entry {
         struct list_head head;
@@ -523,19 +523,32 @@ struct drm_mm {
 
 
 /**
+ * Kernel side of a mapping
+ */
+struct drm_local_map {
+        resource_size_t offset;  /**< Requested physical address (0 for SAREA)*/
+        unsigned long size;      /**< Requested physical size (bytes) */
+        enum drm_map_type type;  /**< Type of memory to map */
+        enum drm_map_flags flags;        /**< Flags */
+        void *handle;            /**< User-space: "Handle" to pass to mmap() */
+                                 /**< Kernel-space: kernel-virtual address */
+        int mtrr;                /**< MTRR slot used */
+};
+
+typedef struct drm_local_map drm_local_map_t;
+
+/**
  * Mappings list
  */
 struct drm_map_list {
         struct list_head head;          /**< list head */
         struct drm_hash_item hash;
-        struct drm_map *map;                    /**< mapping */
+        struct drm_local_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;
-
 /**
  * Context handle list
  */
@@ -545,13 +558,6 @@ struct drm_ctx_list {
         struct drm_file *tag;           /**< associated fd private data */
 };
 
-struct drm_vbl_sig {
-        struct list_head head;
-        unsigned int sequence;
-        struct siginfo info;
-        struct task_struct *task;
-};
-
 /* location of GART table */
 #define DRM_ATI_GART_MAIN 1
 #define DRM_ATI_GART_FB   2
@@ -567,7 +573,7 @@ struct drm_ati_pcigart_info {
         dma_addr_t bus_addr;
         dma_addr_t table_mask;
         struct drm_dma_handle *table_handle;
-        drm_local_map_t mapping;
+        struct drm_local_map mapping;
         int table_size;
 };
 
@@ -682,7 +688,6 @@ struct drm_driver {
         int (*kernel_context_switch) (struct drm_device *dev, int old,
                                       int new);
         void (*kernel_context_switch_unlock) (struct drm_device *dev);
-        int (*dri_library_name) (struct drm_device *dev, char *buf);
 
         /**
          * get_vblank_counter - get raw hardware vblank counter
@@ -754,8 +759,8 @@ struct drm_driver {
                                         struct drm_file *file_priv);
         void (*reclaim_buffers_idlelocked) (struct drm_device *dev,
                                             struct drm_file *file_priv);
-        unsigned long (*get_map_ofs) (struct drm_map * map);
-        unsigned long (*get_reg_ofs) (struct drm_device *dev);
+        resource_size_t (*get_map_ofs) (struct drm_local_map * map);
+        resource_size_t (*get_reg_ofs) (struct drm_device *dev);
         void (*set_version) (struct drm_device *dev,
                              struct drm_set_version *sv);
 
@@ -765,6 +770,8 @@ struct drm_driver {
 
         int (*proc_init)(struct drm_minor *minor);
         void (*proc_cleanup)(struct drm_minor *minor);
+        int (*debugfs_init)(struct drm_minor *minor);
+        void (*debugfs_cleanup)(struct drm_minor *minor);
 
         /**
          * Driver-specific constructor for drm_gem_objects, to set up
@@ -800,6 +807,48 @@ struct drm_driver {
 #define DRM_MINOR_CONTROL 2
 #define DRM_MINOR_RENDER 3
 
+
+/**
+ * debugfs node list. This structure represents a debugfs file to
+ * be created by the drm core
+ */
+struct drm_debugfs_list {
+        const char *name; /** file name */
+        int (*show)(struct seq_file*, void*); /** show callback */
+        u32 driver_features; /**< Required driver features for this entry */
+};
+
+/**
+ * debugfs node structure. This structure represents a debugfs file.
+ */
+struct drm_debugfs_node {
+        struct list_head list;
+        struct drm_minor *minor;
+        struct drm_debugfs_list *debugfs_ent;
+        struct dentry *dent;
+};
+
+/**
+ * Info file list entry. This structure represents a debugfs or proc file to
+ * be created by the drm core
+ */
+struct drm_info_list {
+        const char *name; /** file name */
+        int (*show)(struct seq_file*, void*); /** show callback */
+        u32 driver_features; /**< Required driver features for this entry */
+        void *data;
+};
+
+/**
+ * debugfs node structure. This structure represents a debugfs file.
+ */
+struct drm_info_node {
+        struct list_head list;
+        struct drm_minor *minor;
+        struct drm_info_list *info_ent;
+        struct dentry *dent;
+};
+
 /**
  * DRM minor structure. This structure represents a drm minor number.
  */
@@ -809,7 +858,12 @@ struct drm_minor {
         dev_t device;                   /**< Device number for mknod */
         struct device kdev;             /**< Linux device */
         struct drm_device *dev;
-        struct proc_dir_entry *dev_root;  /**< proc directory entry */
+
+        struct proc_dir_entry *proc_root;  /**< proc directory entry */
+        struct drm_info_node proc_nodes;
+        struct dentry *debugfs_root;
+        struct drm_info_node debugfs_nodes;
+
         struct drm_master *master; /* currently active master for this node */
         struct list_head master_list;
         struct drm_mode_group mode_group;
@@ -903,8 +957,6 @@ struct drm_device {
         wait_queue_head_t *vbl_queue;   /**< VBLANK wait queue */
         atomic_t *_vblank_count;        /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
         spinlock_t vbl_lock;
-        struct list_head *vbl_sigs;     /**< signal list to send on VBLANK */
-        atomic_t vbl_signal_pending;    /* number of signals pending on all crtcs*/
         atomic_t *vblank_refcount;      /* number of users of vblank interruptsper crtc */
         u32 *last_vblank;               /* protected by dev->vbl_lock, used */
                                         /* for wraparound handling */
@@ -941,7 +993,7 @@ struct drm_device {
         sigset_t sigmask;
 
         struct drm_driver *driver;
-        drm_local_map_t *agp_buffer_map;
+        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 */
@@ -1058,8 +1110,8 @@ extern int drm_release(struct inode *inode, struct file *filp);
 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 resource_size_t drm_core_get_map_ofs(struct drm_local_map * map);
+extern resource_size_t drm_core_get_reg_ofs(struct drm_device *dev);
 extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
 
                                 /* Memory management support (drm_memory.h) */
@@ -1162,13 +1214,13 @@ extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv
                                 /* Buffer management support (drm_bufs.h) */
 extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request);
 extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request);
-extern int drm_addmap(struct drm_device *dev, unsigned int offset,
+extern int drm_addmap(struct drm_device *dev, resource_size_t offset,
                       unsigned int size, enum drm_map_type type,
-                      enum drm_map_flags flags, drm_local_map_t ** map_ptr);
+                      enum drm_map_flags flags, struct drm_local_map **map_ptr);
 extern int drm_addmap_ioctl(struct drm_device *dev, void *data,
                             struct drm_file *file_priv);
-extern int drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
-extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map);
+extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map);
+extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map);
 extern int drm_rmmap_ioctl(struct drm_device *dev, void *data,
                            struct drm_file *file_priv);
 extern int drm_addbufs(struct drm_device *dev, void *data,
@@ -1182,10 +1234,10 @@ extern int drm_freebufs(struct drm_device *dev, void *data,
 extern int drm_mapbufs(struct drm_device *dev, void *data,
                        struct drm_file *file_priv);
 extern int drm_order(unsigned long size);
-extern unsigned long drm_get_resource_start(struct drm_device *dev,
+extern resource_size_t drm_get_resource_start(struct drm_device *dev,
+                                              unsigned int resource);
+extern resource_size_t drm_get_resource_len(struct drm_device *dev,
                                             unsigned int resource);
-extern unsigned long drm_get_resource_len(struct drm_device *dev,
-                                          unsigned int resource);
 
                                 /* DMA support (drm_dma.h) */
 extern int drm_dma_setup(struct drm_device *dev);
@@ -1261,22 +1313,48 @@ 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);
+extern void drm_put_dev(struct drm_device *dev);
 extern int drm_put_minor(struct drm_minor **minor);
 extern unsigned int drm_debug;
 
 extern struct class *drm_class;
 extern struct proc_dir_entry *drm_proc_root;
+extern struct dentry *drm_debugfs_root;
 
 extern struct idr drm_minors_idr;
 
-extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
+extern struct drm_local_map *drm_getsarea(struct drm_device *dev);
 
                                 /* Proc support (drm_proc.h) */
 extern int drm_proc_init(struct drm_minor *minor, int minor_id,
                          struct proc_dir_entry *root);
 extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root);
 
+                                /* Debugfs support */
+#if defined(CONFIG_DEBUG_FS)
+extern int drm_debugfs_init(struct drm_minor *minor, int minor_id,
+                            struct dentry *root);
+extern int drm_debugfs_create_files(struct drm_info_list *files, int count,
+                                    struct dentry *root, struct drm_minor *minor);
+extern int drm_debugfs_remove_files(struct drm_info_list *files, int count,
+                                    struct drm_minor *minor);
+extern int drm_debugfs_cleanup(struct drm_minor *minor);
+#endif
+
+                                /* Info file support */
+extern int drm_name_info(struct seq_file *m, void *data);
+extern int drm_vm_info(struct seq_file *m, void *data);
+extern int drm_queues_info(struct seq_file *m, void *data);
+extern int drm_bufs_info(struct seq_file *m, void *data);
+extern int drm_vblank_info(struct seq_file *m, void *data);
+extern int drm_clients_info(struct seq_file *m, void* data);
+extern int drm_gem_name_info(struct seq_file *m, void *data);
+extern int drm_gem_object_info(struct seq_file *m, void* data);
+
+#if DRM_DEBUG_CODE
+extern int drm_vma_info(struct seq_file *m, void *data);
+#endif
+
                                 /* Scatter Gather Support (drm_scatter.h) */
 extern void drm_sg_cleanup(struct drm_sg_mem * entry);
 extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
@@ -1330,6 +1408,8 @@ 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);
+void drm_gem_vm_open(struct vm_area_struct *vma);
+void drm_gem_vm_close(struct vm_area_struct *vma);
 int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 
 static inline void
@@ -1385,12 +1465,12 @@ int drm_gem_open_ioctl(struct drm_device *dev, void *data,
 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
 
-extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
-extern void drm_core_ioremap_wc(struct drm_map *map, struct drm_device *dev);
-extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
+extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev);
+extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev);
+extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev);
 
-static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev,
-                                                   unsigned int token)
+static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev,
+                                                         unsigned int token)
 {
         struct drm_map_list *_entry;
         list_for_each_entry(_entry, &dev->maplist, head)
@@ -1417,7 +1497,7 @@ static __inline__ int drm_device_is_pcie(struct drm_device *dev)
         return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
 }
 
-static __inline__ void drm_core_dropmap(struct drm_map *map)
+static __inline__ void drm_core_dropmap(struct drm_local_map *map)
 {
 }