diff options
Diffstat (limited to 'include/drm/ttm')
-rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 169 | ||||
-rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 157 | ||||
-rw-r--r-- | include/drm/ttm/ttm_memory.h | 75 | ||||
-rw-r--r-- | include/drm/ttm/ttm_page_alloc.h | 11 |
4 files changed, 150 insertions, 262 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index fa07be197945..2cd025c2abe7 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -224,7 +224,6 @@ struct ttm_buffer_object { */ uint64_t offset; /* GPU address space is independent of CPU word size */ - uint32_t cur_placement; struct sg_table *sg; @@ -260,6 +259,25 @@ struct ttm_bo_kmap_obj { }; /** + * struct ttm_operation_ctx + * + * @interruptible: Sleep interruptible if sleeping. + * @no_wait_gpu: Return immediately if the GPU is busy. + * @allow_reserved_eviction: Allow eviction of reserved BOs. + * @resv: Reservation object to allow reserved evictions with. + * + * Context for TTM operations like changing buffer placement or general memory + * allocation. + */ +struct ttm_operation_ctx { + bool interruptible; + bool no_wait_gpu; + bool allow_reserved_eviction; + struct reservation_object *resv; + uint64_t bytes_moved; +}; + +/** * ttm_bo_reference - reference a struct ttm_buffer_object * * @bo: The buffer object. @@ -288,8 +306,7 @@ ttm_bo_reference(struct ttm_buffer_object *bo) * Returns -EBUSY if no_wait is true and the buffer is busy. * Returns -ERESTARTSYS if interrupted by a signal. */ -extern int ttm_bo_wait(struct ttm_buffer_object *bo, - bool interruptible, bool no_wait); +int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait); /** * ttm_bo_mem_compat - Check if proposed placement is compatible with a bo @@ -300,17 +317,15 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo, * * Returns true if the placement is compatible */ -extern bool ttm_bo_mem_compat(struct ttm_placement *placement, - struct ttm_mem_reg *mem, - uint32_t *new_flags); +bool ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_mem_reg *mem, + uint32_t *new_flags); /** * ttm_bo_validate * * @bo: The buffer object. * @placement: Proposed placement for the buffer object. - * @interruptible: Sleep interruptible if sleeping. - * @no_wait_gpu: Return immediately if the GPU is busy. + * @ctx: validation parameters. * * Changes placement and caching policy of the buffer object * according proposed placement. @@ -320,10 +335,9 @@ extern bool ttm_bo_mem_compat(struct ttm_placement *placement, * -EBUSY if no_wait is true and buffer busy. * -ERESTARTSYS if interrupted by a signal. */ -extern int ttm_bo_validate(struct ttm_buffer_object *bo, - struct ttm_placement *placement, - bool interruptible, - bool no_wait_gpu); +int ttm_bo_validate(struct ttm_buffer_object *bo, + struct ttm_placement *placement, + struct ttm_operation_ctx *ctx); /** * ttm_bo_unref @@ -332,7 +346,7 @@ extern int ttm_bo_validate(struct ttm_buffer_object *bo, * * Unreference and clear a pointer to a buffer object. */ -extern void ttm_bo_unref(struct ttm_buffer_object **bo); +void ttm_bo_unref(struct ttm_buffer_object **bo); /** * ttm_bo_add_to_lru @@ -344,7 +358,7 @@ extern void ttm_bo_unref(struct ttm_buffer_object **bo); * This function must be called with struct ttm_bo_global::lru_lock held, and * is typically called immediately prior to unreserving a bo. */ -extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo); +void ttm_bo_add_to_lru(struct ttm_buffer_object *bo); /** * ttm_bo_del_from_lru @@ -356,7 +370,7 @@ extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo); * and is usually called just immediately after the bo has been reserved to * avoid recursive reservation from lru lists. */ -extern void ttm_bo_del_from_lru(struct ttm_buffer_object *bo); +void ttm_bo_del_from_lru(struct ttm_buffer_object *bo); /** * ttm_bo_move_to_lru_tail @@ -367,7 +381,7 @@ extern void ttm_bo_del_from_lru(struct ttm_buffer_object *bo); * object. This function must be called with struct ttm_bo_global::lru_lock * held, and is used to make a BO less likely to be considered for eviction. */ -extern void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo); +void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo); /** * ttm_bo_lock_delayed_workqueue @@ -376,15 +390,14 @@ extern void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo); * Returns * True if the workqueue was queued at the time */ -extern int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev); +int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev); /** * ttm_bo_unlock_delayed_workqueue * * Allows the delayed workqueue to run. */ -extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, - int resched); +void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched); /** * ttm_bo_eviction_valuable @@ -411,8 +424,7 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, * -EBUSY if the buffer is busy and no_wait is true. * -ERESTARTSYS if interrupted by a signal. */ -extern int -ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait); +int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait); /** * ttm_bo_synccpu_write_release: @@ -421,7 +433,7 @@ ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait); * * Releases a synccpu lock. */ -extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo); +void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo); /** * ttm_bo_acc_size @@ -448,8 +460,7 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, * @type: Requested type of buffer object. * @flags: Initial placement flags. * @page_alignment: Data alignment in pages. - * @interruptible: If needing to sleep to wait for GPU resources, - * sleep interruptible. + * @ctx: TTM operation context for memory allocation. * @persistent_swap_storage: Usually the swap storage is deleted for buffers * pinned in physical memory. If this behaviour is not desired, this member * holds a pointer to a persistent shmem object. Typically, this would @@ -480,18 +491,18 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources. */ -extern int ttm_bo_init_reserved(struct ttm_bo_device *bdev, - struct ttm_buffer_object *bo, - unsigned long size, - enum ttm_bo_type type, - struct ttm_placement *placement, - uint32_t page_alignment, - bool interrubtible, - struct file *persistent_swap_storage, - size_t acc_size, - struct sg_table *sg, - struct reservation_object *resv, - void (*destroy) (struct ttm_buffer_object *)); +int ttm_bo_init_reserved(struct ttm_bo_device *bdev, + struct ttm_buffer_object *bo, + unsigned long size, + enum ttm_bo_type type, + struct ttm_placement *placement, + uint32_t page_alignment, + struct ttm_operation_ctx *ctx, + struct file *persistent_swap_storage, + size_t acc_size, + struct sg_table *sg, + struct reservation_object *resv, + void (*destroy) (struct ttm_buffer_object *)); /** * ttm_bo_init @@ -531,19 +542,13 @@ extern int ttm_bo_init_reserved(struct ttm_bo_device *bdev, * -EINVAL: Invalid placement flags. * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources. */ - -extern int ttm_bo_init(struct ttm_bo_device *bdev, - struct ttm_buffer_object *bo, - unsigned long size, - enum ttm_bo_type type, - struct ttm_placement *placement, - uint32_t page_alignment, - bool interrubtible, - struct file *persistent_swap_storage, - size_t acc_size, - struct sg_table *sg, - struct reservation_object *resv, - void (*destroy) (struct ttm_buffer_object *)); +int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo, + unsigned long size, enum ttm_bo_type type, + struct ttm_placement *placement, + uint32_t page_alignment, bool interrubtible, + struct file *persistent_swap_storage, size_t acc_size, + struct sg_table *sg, struct reservation_object *resv, + void (*destroy) (struct ttm_buffer_object *)); /** * ttm_bo_create @@ -569,15 +574,11 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev, * -EINVAL: Invalid placement flags. * -ERESTARTSYS: Interrupted by signal while waiting for resources. */ - -extern int ttm_bo_create(struct ttm_bo_device *bdev, - unsigned long size, - enum ttm_bo_type type, - struct ttm_placement *placement, - uint32_t page_alignment, - bool interruptible, - struct file *persistent_swap_storage, - struct ttm_buffer_object **p_bo); +int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size, + enum ttm_bo_type type, struct ttm_placement *placement, + uint32_t page_alignment, bool interruptible, + struct file *persistent_swap_storage, + struct ttm_buffer_object **p_bo); /** * ttm_bo_init_mm @@ -594,9 +595,9 @@ extern int ttm_bo_create(struct ttm_bo_device *bdev, * -ENOMEM: Not enough memory. * May also return driver-specified errors. */ +int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, + unsigned long p_size); -extern int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, - unsigned long p_size); /** * ttm_bo_clean_mm * @@ -623,8 +624,7 @@ extern int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, * -EINVAL: invalid or uninitialized memory type. * -EBUSY: There are still buffers left in this memory type. */ - -extern int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type); +int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type); /** * ttm_bo_evict_mm @@ -644,8 +644,7 @@ extern int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type); * -ERESTARTSYS: The call was interrupted by a signal while waiting to * evict a buffer. */ - -extern int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type); +int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type); /** * ttm_kmap_obj_virtual @@ -658,7 +657,6 @@ extern int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type); * If *is_iomem is 1 on return, the virtual address points to an io memory area, * that should strictly be accessed by the iowriteXX() and similar functions. */ - static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map, bool *is_iomem) { @@ -682,9 +680,8 @@ static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map, * -ENOMEM: Out of memory. * -EINVAL: Invalid range. */ - -extern int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page, - unsigned long num_pages, struct ttm_bo_kmap_obj *map); +int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page, + unsigned long num_pages, struct ttm_bo_kmap_obj *map); /** * ttm_bo_kunmap @@ -693,8 +690,7 @@ extern int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page, * * Unmaps a kernel map set up by ttm_bo_kmap. */ - -extern void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map); +void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map); /** * ttm_fbdev_mmap - mmap fbdev memory backed by a ttm buffer object. @@ -706,20 +702,7 @@ extern void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map); * This function is intended to be called by the fbdev mmap method * if the fbdev address space is to be backed by a bo. */ - -extern int ttm_fbdev_mmap(struct vm_area_struct *vma, - struct ttm_buffer_object *bo); - -/** - * ttm_bo_default_iomem_pfn - get a pfn for a page offset - * - * @bo: the BO we need to look up the pfn for - * @page_offset: offset inside the BO to look up. - * - * Calculate the PFN for iomem based mappings during page fault - */ -unsigned long ttm_bo_default_io_mem_pfn(struct ttm_buffer_object *bo, - unsigned long page_offset); +int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo); /** * ttm_bo_mmap - mmap out of the ttm device address space. @@ -731,9 +714,8 @@ unsigned long ttm_bo_default_io_mem_pfn(struct ttm_buffer_object *bo, * This function is intended to be called by the device mmap method. * if the device address space is to be backed by the bo manager. */ - -extern int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, - struct ttm_bo_device *bdev); +int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, + struct ttm_bo_device *bdev); /** * ttm_bo_io @@ -755,11 +737,12 @@ extern int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, * the function may return -ERESTARTSYS if * interrupted by a signal. */ +ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp, + const char __user *wbuf, char __user *rbuf, + size_t count, loff_t *f_pos, bool write); -extern ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp, - const char __user *wbuf, char __user *rbuf, - size_t count, loff_t *f_pos, bool write); - -extern void ttm_bo_swapout_all(struct ttm_bo_device *bdev); -extern int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo); +int ttm_bo_swapout(struct ttm_bo_global *glob, + struct ttm_operation_ctx *ctx); +void ttm_bo_swapout_all(struct ttm_bo_device *bdev); +int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo); #endif diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 5f821a9b3a1f..94064b126e8e 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -352,7 +352,8 @@ struct ttm_bo_driver { * Returns: * -ENOMEM: Out of memory. */ - int (*ttm_tt_populate)(struct ttm_tt *ttm); + int (*ttm_tt_populate)(struct ttm_tt *ttm, + struct ttm_operation_ctx *ctx); /** * ttm_tt_unpopulate @@ -409,15 +410,13 @@ struct ttm_bo_driver { * @bo: the buffer to move * @evict: whether this motion is evicting the buffer from * the graphics address space - * @interruptible: Use interruptible sleeps if possible when sleeping. - * @no_wait: whether this should give up and return -EBUSY - * if this move would require sleeping + * @ctx: context for this move with parameters * @new_mem: the new memory region receiving the buffer * * Move a buffer between two memory regions. */ int (*move)(struct ttm_buffer_object *bo, bool evict, - bool interruptible, bool no_wait_gpu, + struct ttm_operation_ctx *ctx, struct ttm_mem_reg *new_mem); /** @@ -524,7 +523,6 @@ struct ttm_bo_global { struct kobject kobj; struct ttm_mem_global *mem_glob; struct page *dummy_read_page; - struct ttm_mem_shrink shrink; struct mutex device_list_mutex; spinlock_t lru_lock; @@ -627,12 +625,12 @@ ttm_flag_masked(uint32_t *old, uint32_t new, uint32_t mask) * Returns: * NULL: Out of memory. */ -extern int ttm_tt_init(struct ttm_tt *ttm, struct ttm_bo_device *bdev, - unsigned long size, uint32_t page_flags, - struct page *dummy_read_page); -extern int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_bo_device *bdev, - unsigned long size, uint32_t page_flags, - struct page *dummy_read_page); +int ttm_tt_init(struct ttm_tt *ttm, struct ttm_bo_device *bdev, + unsigned long size, uint32_t page_flags, + struct page *dummy_read_page); +int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_bo_device *bdev, + unsigned long size, uint32_t page_flags, + struct page *dummy_read_page); /** * ttm_tt_fini @@ -641,8 +639,8 @@ extern int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_bo_device *bde * * Free memory of ttm_tt structure */ -extern void ttm_tt_fini(struct ttm_tt *ttm); -extern void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma); +void ttm_tt_fini(struct ttm_tt *ttm); +void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma); /** * ttm_ttm_bind: @@ -652,7 +650,8 @@ extern void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma); * * Bind the pages of @ttm to an aperture location identified by @bo_mem */ -extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem); +int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem, + struct ttm_operation_ctx *ctx); /** * ttm_ttm_destroy: @@ -661,7 +660,7 @@ extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem); * * Unbind, unpopulate and destroy common struct ttm_tt. */ -extern void ttm_tt_destroy(struct ttm_tt *ttm); +void ttm_tt_destroy(struct ttm_tt *ttm); /** * ttm_ttm_unbind: @@ -670,7 +669,7 @@ extern void ttm_tt_destroy(struct ttm_tt *ttm); * * Unbind a struct ttm_tt. */ -extern void ttm_tt_unbind(struct ttm_tt *ttm); +void ttm_tt_unbind(struct ttm_tt *ttm); /** * ttm_tt_swapin: @@ -679,7 +678,7 @@ extern void ttm_tt_unbind(struct ttm_tt *ttm); * * Swap in a previously swap out ttm_tt. */ -extern int ttm_tt_swapin(struct ttm_tt *ttm); +int ttm_tt_swapin(struct ttm_tt *ttm); /** * ttm_tt_set_placement_caching: @@ -694,9 +693,8 @@ extern int ttm_tt_swapin(struct ttm_tt *ttm); * hit RAM. This function may be very costly as it involves global TLB * and cache flushes and potential page splitting / combining. */ -extern int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement); -extern int ttm_tt_swapout(struct ttm_tt *ttm, - struct file *persistent_swap_storage); +int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement); +int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage); /** * ttm_tt_unpopulate - free pages from a ttm @@ -705,7 +703,7 @@ extern int ttm_tt_swapout(struct ttm_tt *ttm, * * Calls the driver method to free all pages from a ttm */ -extern void ttm_tt_unpopulate(struct ttm_tt *ttm); +void ttm_tt_unpopulate(struct ttm_tt *ttm); /* * ttm_bo.c @@ -720,8 +718,7 @@ extern void ttm_tt_unpopulate(struct ttm_tt *ttm); * Returns true if the memory described by @mem is PCI memory, * false otherwise. */ -extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, - struct ttm_mem_reg *mem); +bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem); /** * ttm_bo_mem_space @@ -742,21 +739,19 @@ extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, * fragmentation or concurrent allocators. * -ERESTARTSYS: An interruptible sleep was interrupted by a signal. */ -extern int ttm_bo_mem_space(struct ttm_buffer_object *bo, - struct ttm_placement *placement, - struct ttm_mem_reg *mem, - bool interruptible, - bool no_wait_gpu); +int ttm_bo_mem_space(struct ttm_buffer_object *bo, + struct ttm_placement *placement, + struct ttm_mem_reg *mem, + struct ttm_operation_ctx *ctx); -extern void ttm_bo_mem_put(struct ttm_buffer_object *bo, +void ttm_bo_mem_put(struct ttm_buffer_object *bo, struct ttm_mem_reg *mem); +void ttm_bo_mem_put_locked(struct ttm_buffer_object *bo, struct ttm_mem_reg *mem); -extern void ttm_bo_mem_put_locked(struct ttm_buffer_object *bo, - struct ttm_mem_reg *mem); -extern void ttm_bo_global_release(struct drm_global_reference *ref); -extern int ttm_bo_global_init(struct drm_global_reference *ref); +void ttm_bo_global_release(struct drm_global_reference *ref); +int ttm_bo_global_init(struct drm_global_reference *ref); -extern int ttm_bo_device_release(struct ttm_bo_device *bdev); +int ttm_bo_device_release(struct ttm_bo_device *bdev); /** * ttm_bo_device_init @@ -773,18 +768,17 @@ extern int ttm_bo_device_release(struct ttm_bo_device *bdev); * Returns: * !0: Failure. */ -extern int ttm_bo_device_init(struct ttm_bo_device *bdev, - struct ttm_bo_global *glob, - struct ttm_bo_driver *driver, - struct address_space *mapping, - uint64_t file_page_offset, bool need_dma32); +int ttm_bo_device_init(struct ttm_bo_device *bdev, struct ttm_bo_global *glob, + struct ttm_bo_driver *driver, + struct address_space *mapping, + uint64_t file_page_offset, bool need_dma32); /** * ttm_bo_unmap_virtual * * @bo: tear down the virtual mappings for this BO */ -extern void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo); +void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo); /** * ttm_bo_unmap_virtual @@ -793,16 +787,15 @@ extern void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo); * * The caller must take ttm_mem_io_lock before calling this function. */ -extern void ttm_bo_unmap_virtual_locked(struct ttm_buffer_object *bo); +void ttm_bo_unmap_virtual_locked(struct ttm_buffer_object *bo); -extern int ttm_mem_io_reserve_vm(struct ttm_buffer_object *bo); -extern void ttm_mem_io_free_vm(struct ttm_buffer_object *bo); -extern int ttm_mem_io_lock(struct ttm_mem_type_manager *man, - bool interruptible); -extern void ttm_mem_io_unlock(struct ttm_mem_type_manager *man); +int ttm_mem_io_reserve_vm(struct ttm_buffer_object *bo); +void ttm_mem_io_free_vm(struct ttm_buffer_object *bo); +int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible); +void ttm_mem_io_unlock(struct ttm_mem_type_manager *man); -extern void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo); -extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo); +void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo); +void ttm_bo_add_to_lru(struct ttm_buffer_object *bo); /** * __ttm_bo_reserve: @@ -836,14 +829,14 @@ static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo, if (WARN_ON(ticket)) return -EBUSY; - success = ww_mutex_trylock(&bo->resv->lock); + success = reservation_object_trylock(bo->resv); return success ? 0 : -EBUSY; } if (interruptible) - ret = ww_mutex_lock_interruptible(&bo->resv->lock, ticket); + ret = reservation_object_lock_interruptible(bo->resv, ticket); else - ret = ww_mutex_lock(&bo->resv->lock, ticket); + ret = reservation_object_lock(bo->resv, ticket); if (ret == -EINTR) return -ERESTARTSYS; return ret; @@ -941,18 +934,6 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, } /** - * __ttm_bo_unreserve - * @bo: A pointer to a struct ttm_buffer_object. - * - * Unreserve a previous reservation of @bo where the buffer object is - * already on lru lists. - */ -static inline void __ttm_bo_unreserve(struct ttm_buffer_object *bo) -{ - ww_mutex_unlock(&bo->resv->lock); -} - -/** * ttm_bo_unreserve * * @bo: A pointer to a struct ttm_buffer_object. @@ -966,20 +947,7 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) ttm_bo_add_to_lru(bo); spin_unlock(&bo->glob->lru_lock); } - __ttm_bo_unreserve(bo); -} - -/** - * ttm_bo_unreserve_ticket - * @bo: A pointer to a struct ttm_buffer_object. - * @ticket: ww_acquire_ctx used for reserving - * - * Unreserve a previous reservation of @bo made with @ticket. - */ -static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo, - struct ww_acquire_ctx *t) -{ - ttm_bo_unreserve(bo); + reservation_object_unlock(bo->resv); } /* @@ -1008,9 +976,9 @@ void ttm_mem_io_free(struct ttm_bo_device *bdev, * !0: Failure. */ -extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo, - bool interruptible, bool no_wait_gpu, - struct ttm_mem_reg *new_mem); +int ttm_bo_move_ttm(struct ttm_buffer_object *bo, + struct ttm_operation_ctx *ctx, + struct ttm_mem_reg *new_mem); /** * ttm_bo_move_memcpy @@ -1030,9 +998,9 @@ extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo, * !0: Failure. */ -extern int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, - bool interruptible, bool no_wait_gpu, - struct ttm_mem_reg *new_mem); +int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, + struct ttm_operation_ctx *ctx, + struct ttm_mem_reg *new_mem); /** * ttm_bo_free_old_node @@ -1041,7 +1009,7 @@ extern int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, * * Utility function to free an old placement after a successful move. */ -extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo); +void ttm_bo_free_old_node(struct ttm_buffer_object *bo); /** * ttm_bo_move_accel_cleanup. @@ -1058,10 +1026,9 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo); * destroyed when the move is complete. This will help pipeline * buffer moves. */ - -extern int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, - struct dma_fence *fence, bool evict, - struct ttm_mem_reg *new_mem); +int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, + struct dma_fence *fence, bool evict, + struct ttm_mem_reg *new_mem); /** * ttm_bo_pipeline_move. @@ -1087,7 +1054,7 @@ int ttm_bo_pipeline_move(struct ttm_buffer_object *bo, * Utility function that returns the pgprot_t that should be used for * setting up a PTE with the caching model indicated by @c_state. */ -extern pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp); +pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp); extern const struct ttm_mem_type_manager_func ttm_bo_manager_func; @@ -1108,11 +1075,11 @@ extern const struct ttm_mem_type_manager_func ttm_bo_manager_func; * for TT memory. This function uses the linux agpgart interface to * bind and unbind memory backing a ttm_tt. */ -extern struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev, - struct agp_bridge_data *bridge, - unsigned long size, uint32_t page_flags, - struct page *dummy_read_page); -int ttm_agp_tt_populate(struct ttm_tt *ttm); +struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev, + struct agp_bridge_data *bridge, + unsigned long size, uint32_t page_flags, + struct page *dummy_read_page); +int ttm_agp_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx); void ttm_agp_tt_unpopulate(struct ttm_tt *ttm); #endif diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h index 2c1e3598effe..8936285b6543 100644 --- a/include/drm/ttm/ttm_memory.h +++ b/include/drm/ttm/ttm_memory.h @@ -35,20 +35,7 @@ #include <linux/errno.h> #include <linux/kobject.h> #include <linux/mm.h> - -/** - * struct ttm_mem_shrink - callback to shrink TTM memory usage. - * - * @do_shrink: The callback function. - * - * Arguments to the do_shrink functions are intended to be passed using - * inheritance. That is, the argument class derives from struct ttm_mem_shrink, - * and can be accessed using container_of(). - */ - -struct ttm_mem_shrink { - int (*do_shrink) (struct ttm_mem_shrink *); -}; +#include "ttm_bo_api.h" /** * struct ttm_mem_global - Global memory accounting structure. @@ -76,7 +63,7 @@ struct ttm_mem_shrink { struct ttm_mem_zone; struct ttm_mem_global { struct kobject kobj; - struct ttm_mem_shrink *shrink; + struct ttm_bo_global *bo_glob; struct workqueue_struct *swap_queue; struct work_struct work; spinlock_t lock; @@ -90,67 +77,15 @@ struct ttm_mem_global { #endif }; -/** - * ttm_mem_init_shrink - initialize a struct ttm_mem_shrink object - * - * @shrink: The object to initialize. - * @func: The callback function. - */ - -static inline void ttm_mem_init_shrink(struct ttm_mem_shrink *shrink, - int (*func) (struct ttm_mem_shrink *)) -{ - shrink->do_shrink = func; -} - -/** - * ttm_mem_register_shrink - register a struct ttm_mem_shrink object. - * - * @glob: The struct ttm_mem_global object to register with. - * @shrink: An initialized struct ttm_mem_shrink object to register. - * - * Returns: - * -EBUSY: There's already a callback registered. (May change). - */ - -static inline int ttm_mem_register_shrink(struct ttm_mem_global *glob, - struct ttm_mem_shrink *shrink) -{ - spin_lock(&glob->lock); - if (glob->shrink != NULL) { - spin_unlock(&glob->lock); - return -EBUSY; - } - glob->shrink = shrink; - spin_unlock(&glob->lock); - return 0; -} - -/** - * ttm_mem_unregister_shrink - unregister a struct ttm_mem_shrink object. - * - * @glob: The struct ttm_mem_global object to unregister from. - * @shrink: A previously registert struct ttm_mem_shrink object. - * - */ - -static inline void ttm_mem_unregister_shrink(struct ttm_mem_global *glob, - struct ttm_mem_shrink *shrink) -{ - spin_lock(&glob->lock); - BUG_ON(glob->shrink != shrink); - glob->shrink = NULL; - spin_unlock(&glob->lock); -} - extern int ttm_mem_global_init(struct ttm_mem_global *glob); extern void ttm_mem_global_release(struct ttm_mem_global *glob); extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory, - bool no_wait, bool interruptible); + struct ttm_operation_ctx *ctx); extern void ttm_mem_global_free(struct ttm_mem_global *glob, uint64_t amount); extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob, - struct page *page, uint64_t size); + struct page *page, uint64_t size, + struct ttm_operation_ctx *ctx); extern void ttm_mem_global_free_page(struct ttm_mem_global *glob, struct page *page, uint64_t size); extern size_t ttm_round_pot(size_t size); diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 593811362a91..4d9b019d253c 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -47,7 +47,7 @@ void ttm_page_alloc_fini(void); * * Add backing pages to all of @ttm */ -int ttm_pool_populate(struct ttm_tt *ttm); +int ttm_pool_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx); /** * ttm_pool_unpopulate: @@ -61,7 +61,8 @@ void ttm_pool_unpopulate(struct ttm_tt *ttm); /** * Populates and DMA maps pages to fullfil a ttm_dma_populate() request */ -int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt); +int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt, + struct ttm_operation_ctx *ctx); /** * Unpopulates and DMA unmaps pages as part of a @@ -89,7 +90,8 @@ void ttm_dma_page_alloc_fini(void); */ int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); -int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); +int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev, + struct ttm_operation_ctx *ctx); void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); #else @@ -106,7 +108,8 @@ static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data) return 0; } static inline int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, - struct device *dev) + struct device *dev, + struct ttm_operation_ctx *ctx) { return -ENOMEM; } |