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-rw-r--r--include/drm/ttm/ttm_bo_api.h169
-rw-r--r--include/drm/ttm/ttm_bo_driver.h157
-rw-r--r--include/drm/ttm/ttm_memory.h75
-rw-r--r--include/drm/ttm/ttm_page_alloc.h11
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;
}