diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_pagemap.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/drm/drm_pagemap.h b/include/drm/drm_pagemap.h index f73afece42ba..46e9c58f09e0 100644 --- a/include/drm/drm_pagemap.h +++ b/include/drm/drm_pagemap.h @@ -317,10 +317,27 @@ struct drm_pagemap_devmem { struct dma_fence *pre_migrate_fence; }; +/** + * struct drm_pagemap_migrate_details - Details to govern migration. + * @timeslice_ms: The time requested for the migrated pagemap pages to + * be present in @mm before being allowed to be migrated back. + * @can_migrate_same_pagemap: Whether the copy function as indicated by + * the @source_peer_migrates flag, can migrate device pages within a + * single drm_pagemap. + * @source_peer_migrates: Whether on p2p migration, The source drm_pagemap + * should use the copy_to_ram() callback rather than the destination + * drm_pagemap should use the copy_to_devmem() callback. + */ +struct drm_pagemap_migrate_details { + unsigned long timeslice_ms; + u32 can_migrate_same_pagemap : 1; + u32 source_peer_migrates : 1; +}; + int drm_pagemap_migrate_to_devmem(struct drm_pagemap_devmem *devmem_allocation, struct mm_struct *mm, unsigned long start, unsigned long end, - unsigned long timeslice_ms); + const struct drm_pagemap_migrate_details *mdetails); int drm_pagemap_evict_to_ram(struct drm_pagemap_devmem *devmem_allocation); |