| /* SPDX-License-Identifier: MIT */ |
| /* |
| * Copyright © 2022 Intel Corporation |
| */ |
| |
| #ifndef _XE_BO_TYPES_H_ |
| #define _XE_BO_TYPES_H_ |
| |
| #include <linux/iosys-map.h> |
| |
| #include <drm/drm_mm.h> |
| #include <drm/ttm/ttm_bo.h> |
| #include <drm/ttm/ttm_device.h> |
| #include <drm/ttm/ttm_execbuf_util.h> |
| #include <drm/ttm/ttm_placement.h> |
| |
| struct xe_device; |
| struct xe_vm; |
| |
| #define XE_BO_MAX_PLACEMENTS 3 |
| |
| /* TODO: To be selected with VM_MADVISE */ |
| #define XE_BO_PRIORITY_NORMAL 1 |
| |
| /** @xe_bo: XE buffer object */ |
| struct xe_bo { |
| /** @ttm: TTM base buffer object */ |
| struct ttm_buffer_object ttm; |
| /** @size: Size of this buffer object */ |
| size_t size; |
| /** @flags: flags for this buffer object */ |
| u32 flags; |
| /** @vm: VM this BO is attached to, for extobj this will be NULL */ |
| struct xe_vm *vm; |
| /** @tile: Tile this BO is attached to (kernel BO only) */ |
| struct xe_tile *tile; |
| /** @placements: valid placements for this BO */ |
| struct ttm_place placements[XE_BO_MAX_PLACEMENTS]; |
| /** @placement: current placement for this BO */ |
| struct ttm_placement placement; |
| /** @ggtt_node: GGTT node if this BO is mapped in the GGTT */ |
| struct drm_mm_node ggtt_node; |
| /** @vmap: iosys map of this buffer */ |
| struct iosys_map vmap; |
| /** @ttm_kmap: TTM bo kmap object for internal use only. Keep off. */ |
| struct ttm_bo_kmap_obj kmap; |
| /** @pinned_link: link to present / evicted list of pinned BO */ |
| struct list_head pinned_link; |
| #ifdef CONFIG_PROC_FS |
| /** |
| * @client: @xe_drm_client which created the bo |
| */ |
| struct xe_drm_client *client; |
| /** |
| * @client_link: Link into @xe_drm_client.objects_list |
| */ |
| struct list_head client_link; |
| #endif |
| /** @props: BO user controlled properties */ |
| struct { |
| /** @preferred_mem: preferred memory class for this BO */ |
| s16 preferred_mem_class; |
| /** @prefered_gt: preferred GT for this BO */ |
| s16 preferred_gt; |
| /** @preferred_mem_type: preferred memory type */ |
| s32 preferred_mem_type; |
| /** |
| * @cpu_atomic: the CPU expects to do atomics operations to |
| * this BO |
| */ |
| bool cpu_atomic; |
| /** |
| * @device_atomic: the device expects to do atomics operations |
| * to this BO |
| */ |
| bool device_atomic; |
| } props; |
| /** @freed: List node for delayed put. */ |
| struct llist_node freed; |
| /** @created: Whether the bo has passed initial creation */ |
| bool created; |
| |
| /** @ccs_cleared */ |
| bool ccs_cleared; |
| |
| /** |
| * @cpu_caching: CPU caching mode. Currently only used for userspace |
| * objects. |
| */ |
| u16 cpu_caching; |
| |
| /** @vram_userfault_link: Link into @mem_access.vram_userfault.list */ |
| struct list_head vram_userfault_link; |
| }; |
| |
| #define intel_bo_to_drm_bo(bo) (&(bo)->ttm.base) |
| #define intel_bo_to_i915(bo) to_i915(intel_bo_to_drm_bo(bo)->dev) |
| |
| #endif |