struct drm_file;
struct drm_device;
struct drm_agp_head;
+struct drm_local_map;
+struct drm_device_dma;
+struct drm_dma_handle;
+struct drm_gem_object;
struct device_node;
struct videomode;
struct reservation_object;
+struct dma_buf_attachment;
/*
* 4 debug categories are defined:
extern __printf(2, 3)
void drm_ut_debug_printk(const char *function_name,
const char *format, ...);
-extern __printf(2, 3)
-int drm_err(const char *func, const char *format, ...);
+extern __printf(1, 2)
+void drm_err(const char *format, ...);
/***********************************************************************/
/** \name DRM template customization defaults */
#define DRIVER_PRIME 0x4000
#define DRIVER_RENDER 0x8000
-/***********************************************************************/
-/** \name Begin the DRM... */
-/*@{*/
-
-#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */
-
-/*@}*/
-
/***********************************************************************/
/** \name Macros to make printk easier */
/*@{*/
* \param arg arguments
*/
#define DRM_ERROR(fmt, ...) \
- drm_err(__func__, fmt, ##__VA_ARGS__)
+ drm_err(fmt, ##__VA_ARGS__)
/**
* Rate limited error output. Like DRM_ERROR() but won't flood the log.
DEFAULT_RATELIMIT_BURST); \
\
if (__ratelimit(&_rs)) \
- drm_err(__func__, fmt, ##__VA_ARGS__); \
+ drm_err(fmt, ##__VA_ARGS__); \
})
#define DRM_INFO(fmt, ...) \
#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
-/**
- * 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, _file_priv ) \
-do { \
- 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(_file_priv->master->lock.hw_lock->lock),\
- _file_priv->master->lock.file_priv, _file_priv); \
- return -EINVAL; \
- } \
-} while (0)
-
/**
* Ioctl function type.
*
#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
[DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl, .name = #ioctl}
-/**
- * DMA buffer.
- */
-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 */
- struct drm_file *file_priv; /**< Private of 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 */
-};
-
-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.
- */
-struct drm_buf_entry {
- int buf_size; /**< size */
- int buf_count; /**< number of buffers */
- struct drm_buf *buflist; /**< buffer list */
- int seg_count;
- int page_order;
- struct drm_dma_handle **seglist;
-
- int low_mark; /**< Low water mark */
- int high_mark; /**< High water mark */
-};
-
/* Event queued up for userspace to read */
struct drm_pending_event {
struct drm_event *event;
int idle_has_lock;
};
-/**
- * DMA data.
- */
-struct drm_device_dma {
-
- struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
- int buf_count; /**< total number of buffers */
- struct drm_buf **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,
- _DRM_DMA_USE_PCI_RO = 0x08
- } flags;
-
-};
-
-/**
- * Scatter-gather memory.
- */
-struct drm_sg_mem {
- unsigned long handle;
- void *virtual;
- int pages;
- struct page **pagelist;
- dma_addr_t *busaddr;
-};
-
-/**
- * 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_local_map *map; /**< mapping */
- uint64_t user_token;
- struct drm_master *master;
-};
-
-
-/**
- * This structure defines the drm_mm memory object, which will be used by the
- * DRM for its buffer objects.
- */
-struct drm_gem_object {
- /** Reference count of this object */
- struct kref refcount;
-
- /**
- * handle_count - gem file_priv handle count of this object
- *
- * Each handle also holds a reference. Note that when the handle_count
- * drops to 0 any global names (e.g. the id in the flink namespace) will
- * be cleared.
- *
- * Protected by dev->object_name_lock.
- * */
- unsigned handle_count;
-
- /** Related drm device */
- struct drm_device *dev;
-
- /** File representing the shmem storage */
- struct file *filp;
-
- /* Mapping info for this object */
- struct drm_vma_offset_node vma_node;
-
- /**
- * Size of the object, in bytes. Immutable over the object's
- * lifetime.
- */
- size_t size;
-
- /**
- * Global name for this object, starts at 1. 0 means unnamed.
- * Access is covered by the object_name_lock in the related drm_device
- */
- int name;
-
- /**
- * Memory domains. These monitor which caches contain read/write data
- * related to the object. When transitioning from one set of domains
- * to another, the driver is called to ensure that caches are suitably
- * flushed and invalidated
- */
- uint32_t read_domains;
- uint32_t write_domain;
-
- /**
- * While validating an exec operation, the
- * new read/write domain values are computed here.
- * They will be transferred to the above values
- * at the point that any cache flushing occurs
- */
- uint32_t pending_read_domains;
- uint32_t pending_write_domain;
-
- /**
- * dma_buf - dma buf associated with this GEM object
- *
- * Pointer to the dma-buf associated with this gem object (either
- * through importing or exporting). We break the resulting reference
- * loop when the last gem handle for this object is released.
- *
- * Protected by obj->object_name_lock
- */
- struct dma_buf *dma_buf;
-
- /**
- * import_attach - dma buf attachment backing this object
- *
- * Any foreign dma_buf imported as a gem object has this set to the
- * attachment point for the device. This is invariant over the lifetime
- * of a gem object.
- *
- * The driver's ->gem_free_object callback is responsible for cleaning
- * up the dma_buf attachment and references acquired at import time.
- *
- * Note that the drm gem/prime core does not depend upon drivers setting
- * this field any more. So for drivers where this doesn't make sense
- * (e.g. virtual devices or a displaylink behind an usb bus) they can
- * simply leave it as NULL.
- */
- struct dma_buf_attachment *import_attach;
-};
-
/**
* struct drm_master - drm master structure
*
struct drm_gem_object *obj);
struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj);
struct drm_gem_object *(*gem_prime_import_sg_table)(
- struct drm_device *dev, size_t size,
+ struct drm_device *dev,
+ struct dma_buf_attachment *attach,
struct sg_table *sgt);
void *(*gem_prime_vmap)(struct drm_gem_object *obj);
void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr);
unsigned int cmd, unsigned long arg);
extern long drm_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg);
-extern int drm_lastclose(struct drm_device *dev);
extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags);
/* Device support (drm_fops.h) */
-extern struct mutex drm_global_mutex;
extern int drm_open(struct inode *inode, struct file *filp);
extern ssize_t drm_read(struct file *filp, char __user *buffer,
size_t count, loff_t *offset);
extern int drm_release(struct inode *inode, struct file *filp);
/* 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 drm_device *dev, struct vm_area_struct *vma);
-extern void drm_vm_close_locked(struct drm_device *dev, struct vm_area_struct *vma);
extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
- /* Misc. IOCTL support (drm_ioctl.h) */
-extern int drm_irq_by_busid(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_getunique(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_setunique(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_getmap(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_getclient(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_getstats(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_getcap(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_setclientcap(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_setversion(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_noop(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-
- /* Authentication IOCTL support (drm_auth.h) */
-extern int drm_getmagic(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_authmagic(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic);
+/* Misc. IOCTL support (drm_ioctl.c) */
+int drm_noop(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
/* Cache management (drm_cache.c) */
void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
*/
/* IRQ support (drm_irq.h) */
-extern int drm_control(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
extern int drm_irq_install(struct drm_device *dev, int irq);
extern int drm_irq_uninstall(struct drm_device *dev);
/* Modesetting support */
extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
-extern int drm_modeset_ctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
/* 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 void drm_unplug_dev(struct drm_device *dev);
extern unsigned int drm_debug;
-extern int drm_vblank_offdelay;
-extern unsigned int drm_timestamp_precision;
-extern unsigned int drm_timestamp_monotonic;
-
-extern struct class *drm_class;
-
/* 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(const struct drm_info_list *files,
int count, struct dentry *root,
struct drm_minor *minor);
extern int drm_debugfs_remove_files(const struct drm_info_list *files,
int count, struct drm_minor *minor);
-extern int drm_debugfs_cleanup(struct drm_minor *minor);
-extern int drm_debugfs_connector_add(struct drm_connector *connector);
-extern void drm_debugfs_connector_remove(struct drm_connector *connector);
#else
-static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
- struct dentry *root)
-{
- return 0;
-}
-
static inline int drm_debugfs_create_files(const struct drm_info_list *files,
int count, struct dentry *root,
struct drm_minor *minor)
{
return 0;
}
-
-static inline int drm_debugfs_cleanup(struct drm_minor *minor)
-{
- return 0;
-}
-
-static inline int drm_debugfs_connector_add(struct drm_connector *connector)
-{
- return 0;
-}
-static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
-{
-}
-
#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_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 struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
struct drm_gem_object *obj, int flags);
extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
struct drm_file *file_priv, int prime_fd, uint32_t *handle);
extern void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
-extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-
extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
dma_addr_t *addrs, int max_pages);
extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages);
extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
-int drm_gem_dumb_destroy(struct drm_file *file,
- struct drm_device *dev,
- uint32_t handle);
-
-void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
-void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
-void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
-
-extern int drm_vma_info(struct seq_file *m, void *data);
-
-extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
- size_t align);
-extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
-extern int drm_pci_set_unique(struct drm_device *dev,
- struct drm_master *master,
- struct drm_unique *u);
+extern struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
+ size_t align);
+extern void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
/* sysfs support (drm_sysfs.c) */
-extern struct class *drm_sysfs_create(struct module *owner, char *name);
-extern void drm_sysfs_destroy(void);
-extern struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
extern void drm_sysfs_hotplug_event(struct drm_device *dev);
-extern int drm_sysfs_connector_add(struct drm_connector *connector);
-extern void drm_sysfs_connector_remove(struct drm_connector *connector);
-
-/* 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_release(struct drm_gem_object *obj);
-void drm_gem_object_free(struct kref *kref);
-int drm_gem_object_init(struct drm_device *dev,
- struct drm_gem_object *obj, size_t size);
-void drm_gem_private_object_init(struct drm_device *dev,
- struct drm_gem_object *obj, size_t size);
-void drm_gem_vm_open(struct vm_area_struct *vma);
-void drm_gem_vm_close(struct vm_area_struct *vma);
-int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
- struct vm_area_struct *vma);
-int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
-
-static inline void
-drm_gem_object_reference(struct drm_gem_object *obj)
-{
- kref_get(&obj->refcount);
-}
-
-static inline void
-drm_gem_object_unreference(struct drm_gem_object *obj)
-{
- if (obj != NULL)
- kref_put(&obj->refcount, drm_gem_object_free);
-}
-
-static inline void
-drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
-{
- if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) {
- struct drm_device *dev = obj->dev;
- mutex_lock(&dev->struct_mutex);
- if (likely(atomic_dec_and_test(&obj->refcount.refcount)))
- drm_gem_object_free(&obj->refcount);
- mutex_unlock(&dev->struct_mutex);
- }
-}
-
-int drm_gem_handle_create_tail(struct drm_file *file_priv,
- struct drm_gem_object *obj,
- u32 *handlep);
-int drm_gem_handle_create(struct drm_file *file_priv,
- struct drm_gem_object *obj,
- u32 *handlep);
-int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
-
-
-void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
-int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
-int drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size);
-
-struct page **drm_gem_get_pages(struct drm_gem_object *obj);
-void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages,
- bool dirty, bool accessed);
-
-struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
- struct drm_file *filp,
- u32 handle);
-int drm_gem_close_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int drm_gem_open_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-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_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_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)
- if (_entry->user_token == token)
- return _entry->map;
- return NULL;
-}
-
-static __inline__ void drm_core_dropmap(struct drm_local_map *map)
-{
-}
struct drm_device *drm_dev_alloc(struct drm_driver *driver,
struct device *parent);