#ifndef __RADEON_OBJECT_H__
#define __RADEON_OBJECT_H__
-#include <ttm/ttm_bo_api.h>
-#include <ttm/ttm_bo_driver.h>
-#include <ttm/ttm_placement.h>
-#include <ttm/ttm_module.h>
+#include <drm/radeon_drm.h>
+#include "radeon.h"
-/*
- * TTM.
+/**
+ * radeon_mem_type_to_domain - return domain corresponding to mem_type
+ * @mem_type: ttm memory type
+ *
+ * Returns corresponding domain of the ttm mem_type
+ */
+static inline unsigned radeon_mem_type_to_domain(u32 mem_type)
+{
+ switch (mem_type) {
+ case TTM_PL_VRAM:
+ return RADEON_GEM_DOMAIN_VRAM;
+ case TTM_PL_TT:
+ return RADEON_GEM_DOMAIN_GTT;
+ case TTM_PL_SYSTEM:
+ return RADEON_GEM_DOMAIN_CPU;
+ default:
+ break;
+ }
+ return 0;
+}
+
+/**
+ * radeon_bo_reserve - reserve bo
+ * @bo: bo structure
+ * @no_wait: don't sleep while trying to reserve (return -EBUSY)
+ *
+ * Returns:
+ * -EBUSY: buffer is busy and @no_wait is true
+ * -ERESTART: A wait for the buffer to become unreserved was interrupted by
+ * a signal. Release all buffer reservations and return to user-space.
+ */
+static inline int radeon_bo_reserve(struct radeon_bo *bo, bool no_wait)
+{
+ int r;
+
+retry:
+ r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
+ if (unlikely(r != 0)) {
+ if (r == -ERESTART)
+ goto retry;
+ dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
+ return r;
+ }
+ return 0;
+}
+
+static inline void radeon_bo_unreserve(struct radeon_bo *bo)
+{
+ ttm_bo_unreserve(&bo->tbo);
+}
+
+/**
+ * radeon_bo_gpu_offset - return GPU offset of bo
+ * @bo: radeon object for which we query the offset
+ *
+ * Returns current GPU offset of the object.
+ *
+ * Note: object should either be pinned or reserved when calling this
+ * function, it might be usefull to add check for this for debugging.
+ */
+static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo)
+{
+ return bo->tbo.offset;
+}
+
+static inline unsigned long radeon_bo_size(struct radeon_bo *bo)
+{
+ return bo->tbo.num_pages << PAGE_SHIFT;
+}
+
+static inline bool radeon_bo_is_reserved(struct radeon_bo *bo)
+{
+ return !!atomic_read(&bo->tbo.reserved);
+}
+
+/**
+ * radeon_bo_mmap_offset - return mmap offset of bo
+ * @bo: radeon object for which we query the offset
+ *
+ * Returns mmap offset of the object.
+ *
+ * Note: addr_space_offset is constant after ttm bo init thus isn't protected
+ * by any lock.
*/
-struct radeon_mman {
- struct ttm_bo_global_ref bo_global_ref;
- struct ttm_global_reference mem_global_ref;
- bool mem_global_referenced;
- struct ttm_bo_device bdev;
-};
+static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo)
+{
+ return bo->tbo.addr_space_offset;
+}
+
+static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
+ bool no_wait)
+{
+ int r;
+
+retry:
+ r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
+ if (unlikely(r != 0)) {
+ if (r == -ERESTART)
+ goto retry;
+ dev_err(bo->rdev->dev, "%p reserve failed for wait\n", bo);
+ return r;
+ }
+ spin_lock(&bo->tbo.lock);
+ if (mem_type)
+ *mem_type = bo->tbo.mem.mem_type;
+ if (bo->tbo.sync_obj)
+ r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
+ spin_unlock(&bo->tbo.lock);
+ ttm_bo_unreserve(&bo->tbo);
+ if (unlikely(r == -ERESTART))
+ goto retry;
+ return r;
+}
+
+extern int radeon_bo_create(struct radeon_device *rdev,
+ struct drm_gem_object *gobj, unsigned long size,
+ bool kernel, u32 domain,
+ struct radeon_bo **bo_ptr);
+extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
+extern void radeon_bo_kunmap(struct radeon_bo *bo);
+extern void radeon_bo_unref(struct radeon_bo **bo);
+extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr);
+extern int radeon_bo_unpin(struct radeon_bo *bo);
+extern int radeon_bo_evict_vram(struct radeon_device *rdev);
+extern void radeon_bo_force_delete(struct radeon_device *rdev);
+extern int radeon_bo_init(struct radeon_device *rdev);
+extern void radeon_bo_fini(struct radeon_device *rdev);
+extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
+ struct list_head *head);
+extern int radeon_bo_list_reserve(struct list_head *head);
+extern void radeon_bo_list_unreserve(struct list_head *head);
+extern int radeon_bo_list_validate(struct list_head *head, void *fence);
+extern void radeon_bo_list_unvalidate(struct list_head *head, void *fence);
+extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
+ struct vm_area_struct *vma);
+extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
+ u32 tiling_flags, u32 pitch);
+extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo,
+ u32 *tiling_flags, u32 *pitch);
+extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
+ bool force_drop);
+extern void radeon_bo_move_notify(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *mem);
+extern void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
#endif
projects / deliverable / linux.git / blobdiff