1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #ifndef _XE_BO_TYPES_H_ 7 #define _XE_BO_TYPES_H_ 8 9 #include <linux/iosys-map.h> 10 11 #include <drm/drm_mm.h> 12 #include <drm/ttm/ttm_bo.h> 13 #include <drm/ttm/ttm_device.h> 14 #include <drm/ttm/ttm_execbuf_util.h> 15 #include <drm/ttm/ttm_placement.h> 16 17 struct xe_device; 18 struct xe_vm; 19 20 #define XE_BO_MAX_PLACEMENTS 3 21 22 /* TODO: To be selected with VM_MADVISE */ 23 #define XE_BO_PRIORITY_NORMAL 1 24 25 /** @xe_bo: XE buffer object */ 26 struct xe_bo { 27 /** @ttm: TTM base buffer object */ 28 struct ttm_buffer_object ttm; 29 /** @size: Size of this buffer object */ 30 size_t size; 31 /** @flags: flags for this buffer object */ 32 u32 flags; 33 /** @vm: VM this BO is attached to, for extobj this will be NULL */ 34 struct xe_vm *vm; 35 /** @tile: Tile this BO is attached to (kernel BO only) */ 36 struct xe_tile *tile; 37 /** @placements: valid placements for this BO */ 38 struct ttm_place placements[XE_BO_MAX_PLACEMENTS]; 39 /** @placement: current placement for this BO */ 40 struct ttm_placement placement; 41 /** @ggtt_node: GGTT node if this BO is mapped in the GGTT */ 42 struct drm_mm_node ggtt_node; 43 /** @vmap: iosys map of this buffer */ 44 struct iosys_map vmap; 45 /** @ttm_kmap: TTM bo kmap object for internal use only. Keep off. */ 46 struct ttm_bo_kmap_obj kmap; 47 /** @pinned_link: link to present / evicted list of pinned BO */ 48 struct list_head pinned_link; 49 #ifdef CONFIG_PROC_FS 50 /** 51 * @client: @xe_drm_client which created the bo 52 */ 53 struct xe_drm_client *client; 54 /** 55 * @client_link: Link into @xe_drm_client.objects_list 56 */ 57 struct list_head client_link; 58 #endif 59 /** @freed: List node for delayed put. */ 60 struct llist_node freed; 61 /** @created: Whether the bo has passed initial creation */ 62 bool created; 63 64 /** @ccs_cleared */ 65 bool ccs_cleared; 66 67 /** 68 * @cpu_caching: CPU caching mode. Currently only used for userspace 69 * objects. 70 */ 71 u16 cpu_caching; 72 73 /** @vram_userfault_link: Link into @mem_access.vram_userfault.list */ 74 struct list_head vram_userfault_link; 75 }; 76 77 #define intel_bo_to_drm_bo(bo) (&(bo)->ttm.base) 78 #define intel_bo_to_i915(bo) to_i915(intel_bo_to_drm_bo(bo)->dev) 79 80 #endif 81