diff options
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 207 |
1 files changed, 186 insertions, 21 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 19168cd7..6b5e1851 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -54,6 +54,7 @@ #include <linux/smp_lock.h> /* For (un)lock_kernel */ #include <linux/dma-mapping.h> #include <linux/mm.h> +#include <linux/kref.h> #include <linux/pagemap.h> #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) #include <linux/mutex.h> @@ -89,6 +90,10 @@ struct drm_device; struct drm_file; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) +typedef unsigned long uintptr_t; +#endif + /* If you want the memory alloc debug functionality, change define below */ /* #define DEBUG_MEMORY */ @@ -107,7 +112,7 @@ struct drm_file; #define DRIVER_IRQ_SHARED 0x80 #define DRIVER_DMA_QUEUE 0x100 #define DRIVER_FB_DMA 0x200 - +#define DRIVER_GEM 0x400 /*@}*/ @@ -427,6 +432,11 @@ struct drm_file { struct list_head refd_objects; + /** 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 drm_open_hash refd_object_hash[_DRM_NO_REF_TYPES]; struct file *filp; void *driver_priv; @@ -464,6 +474,11 @@ struct drm_lock_data { uint32_t kernel_waiters; uint32_t user_waiters; int idle_has_lock; + /** + * Boolean signaling that the lock is held on behalf of the + * file_priv client by the kernel in an ioctl handler. + */ + int kernel_held; }; /** @@ -539,17 +554,17 @@ struct drm_sigdata { * Generic memory manager structs */ -struct drm_mm_node { +struct drm_memrange_node { struct list_head fl_entry; struct list_head ml_entry; int free; unsigned long start; unsigned long size; - struct drm_mm *mm; + struct drm_memrange *mm; void *private; }; -struct drm_mm { +struct drm_memrange { struct list_head fl_entry; struct list_head ml_entry; }; @@ -563,7 +578,7 @@ struct drm_map_list { struct drm_hash_item hash; struct drm_map *map; /**< mapping */ uint64_t user_token; - struct drm_mm_node *file_offset_node; + struct drm_memrange_node *file_offset_node; }; typedef struct drm_map drm_local_map_t; @@ -604,6 +619,56 @@ struct drm_ati_pcigart_info { int table_size; }; +/** + * 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 of this object. Each handle also holds a reference */ + struct kref handlecount; + + /** Related drm device */ + struct drm_device *dev; + + /** File representing the shmem storage */ + struct file *filp; + + /** + * 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; + + void *driver_private; +}; + #include "drm_objects.h" /** @@ -705,6 +770,18 @@ struct drm_driver { void (*set_version) (struct drm_device *dev, struct drm_set_version *sv); + int (*proc_init)(struct drm_minor *minor); + void (*proc_cleanup)(struct drm_minor *minor); + + /** + * Driver-specific constructor for drm_gem_objects, to set up + * obj->driver_private. + * + * Returns 0 on success. + */ + int (*gem_init_object) (struct drm_gem_object *obj); + void (*gem_free_object) (struct drm_gem_object *obj); + struct drm_fence_driver *fence_driver; struct drm_bo_driver *bo_driver; @@ -787,7 +864,7 @@ struct drm_device { struct list_head maplist; /**< Linked list of regions */ int map_count; /**< Number of mappable regions */ struct drm_open_hash map_hash; /**< User token hash table for maps */ - struct drm_mm offset_manager; /**< User token manager */ + struct drm_memrange offset_manager; /**< User token manager */ struct drm_open_hash object_hash; /**< User token hash table for objects */ struct address_space *dev_mapping; /**< For unmap_mapping_range() */ struct page *ttm_dummy_page; @@ -892,6 +969,21 @@ struct drm_device { spinlock_t drw_lock; struct idr drw_idr; /*@} */ + + /** \name GEM information */ + /*@{ */ + spinlock_t object_name_lock; + struct idr object_name_idr; + atomic_t object_count; + atomic_t object_memory; + atomic_t pin_count; + atomic_t pin_memory; + atomic_t gtt_count; + atomic_t gtt_memory; + uint32_t gtt_total; + uint32_t invalidate_domains; /* domains pending invalidation */ + uint32_t flush_domains; /* domains pending flush */ + /*@} */ }; #if __OS_HAS_AGP @@ -1007,6 +1099,10 @@ extern void drm_free_pages(unsigned long address, int order, int area); extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *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 DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, + struct page **pages, + unsigned long num_pages, + uint32_t gtt_offset); extern int drm_unbind_agp(DRM_AGP_MEM * handle); extern void drm_free_memctl(size_t size); @@ -1200,7 +1296,7 @@ extern void drm_agp_chipset_flush(struct drm_device *dev); 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 int drm_put_minor(struct drm_minor **minor); +extern int drm_put_minor(struct drm_device *dev); extern unsigned int drm_debug; /* 1 to enable debug output */ extern struct class *drm_class; @@ -1240,26 +1336,95 @@ extern int drm_sysfs_device_add(struct drm_minor *minor); extern void drm_sysfs_device_remove(struct drm_minor *minor); /* - * Basic memory manager support (drm_mm.c) + * Basic memory manager support (drm_memrange.c) */ -extern struct drm_mm_node * drm_mm_get_block(struct drm_mm_node * parent, unsigned long size, - unsigned alignment); -extern void drm_mm_put_block(struct drm_mm_node *cur); -extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, - unsigned alignment, int best_match); -extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); -extern void drm_mm_takedown(struct drm_mm *mm); -extern int drm_mm_clean(struct drm_mm *mm); -extern unsigned long drm_mm_tail_space(struct drm_mm *mm); -extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); -extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); - -static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block) +extern struct drm_memrange_node *drm_memrange_get_block(struct drm_memrange_node * parent, + unsigned long size, + unsigned alignment); +extern void drm_memrange_put_block(struct drm_memrange_node *cur); +extern struct drm_memrange_node *drm_memrange_search_free(const struct drm_memrange *mm, + unsigned long size, + unsigned alignment, int best_match); +extern int drm_memrange_init(struct drm_memrange *mm, + unsigned long start, unsigned long size); +extern void drm_memrange_takedown(struct drm_memrange *mm); +extern int drm_memrange_clean(struct drm_memrange *mm); +extern unsigned long drm_memrange_tail_space(struct drm_memrange *mm); +extern int drm_memrange_remove_space_from_tail(struct drm_memrange *mm, + unsigned long size); +extern int drm_memrange_add_space_to_tail(struct drm_memrange *mm, + unsigned long size); + +static inline struct drm_memrange *drm_get_mm(struct drm_memrange_node *block) { return block->mm; } +/* Graphics Execution Manager library functions (drm_gem.c) */ +int +drm_gem_init (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); + +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) + return; + + kref_put (&obj->refcount, drm_gem_object_free); +} + +int +drm_gem_handle_create(struct drm_file *file_priv, + struct drm_gem_object *obj, + int *handlep); + +static inline void drm_gem_object_handle_reference (struct drm_gem_object *obj) +{ + drm_gem_object_reference (obj); + kref_get(&obj->handlecount); +} + +static inline void drm_gem_object_handle_unreference (struct drm_gem_object *obj) +{ + if (obj == NULL) + return; + + /* + * Must bump handle count first as this may be the last + * ref, in which case the object would disappear before we + * checked for a name + */ + kref_put (&obj->handlecount, drm_gem_object_handle_free); + drm_gem_object_unreference (obj); +} + +struct drm_gem_object * +drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp, + int 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_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); |