88 lines · c
1#ifndef _I915_GEM_STOLEN_H_2#define _I915_GEM_STOLEN_H_3 4#include "xe_ttm_stolen_mgr.h"5#include "xe_res_cursor.h"6 7struct xe_bo;8 9struct i915_stolen_fb {10 struct xe_bo *bo;11};12 13static inline int i915_gem_stolen_insert_node_in_range(struct xe_device *xe,14 struct i915_stolen_fb *fb,15 u32 size, u32 align,16 u32 start, u32 end)17{18 struct xe_bo *bo;19 int err;20 u32 flags = XE_BO_FLAG_PINNED | XE_BO_FLAG_STOLEN;21 22 if (start < SZ_4K)23 start = SZ_4K;24 25 if (align) {26 size = ALIGN(size, align);27 start = ALIGN(start, align);28 }29 30 bo = xe_bo_create_locked_range(xe, xe_device_get_root_tile(xe),31 NULL, size, start, end,32 ttm_bo_type_kernel, flags);33 if (IS_ERR(bo)) {34 err = PTR_ERR(bo);35 bo = NULL;36 return err;37 }38 err = xe_bo_pin(bo);39 xe_bo_unlock_vm_held(bo);40 41 if (err) {42 xe_bo_put(fb->bo);43 bo = NULL;44 }45 46 fb->bo = bo;47 48 return err;49}50 51static inline int i915_gem_stolen_insert_node(struct xe_device *xe,52 struct i915_stolen_fb *fb,53 u32 size, u32 align)54{55 /* Not used on xe */56 BUG_ON(1);57 return -ENODEV;58}59 60static inline void i915_gem_stolen_remove_node(struct xe_device *xe,61 struct i915_stolen_fb *fb)62{63 xe_bo_unpin_map_no_vm(fb->bo);64 fb->bo = NULL;65}66 67#define i915_gem_stolen_initialized(xe) (!!ttm_manager_type(&(xe)->ttm, XE_PL_STOLEN))68#define i915_gem_stolen_node_allocated(fb) (!!((fb)->bo))69 70static inline u32 i915_gem_stolen_node_offset(struct i915_stolen_fb *fb)71{72 struct xe_res_cursor res;73 74 xe_res_first(fb->bo->ttm.resource, 0, 4096, &res);75 return res.start;76}77 78/* Used for < gen4. These are not supported by Xe */79#define i915_gem_stolen_area_address(xe) (!WARN_ON(1))80/* Used for gen9 specific WA. Gen9 is not supported by Xe */81#define i915_gem_stolen_area_size(xe) (!WARN_ON(1))82 83#define i915_gem_stolen_node_address(xe, fb) (xe_ttm_stolen_gpu_offset(xe) + \84 i915_gem_stolen_node_offset(fb))85#define i915_gem_stolen_node_size(fb) ((u64)((fb)->bo->ttm.base.size))86 87#endif88