drm/amdgpu: Add multi-GPU DMA mapping helpers

[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_amdkfd.h

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 1675cd0..a83ac39 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -44,11 +44,17 @@ enum TLB_FLUSH_TYPE {
 
 struct amdgpu_device;
 
+enum kfd_mem_attachment_type {
+       KFD_MEM_ATT_SHARED,     /* Share kgd_mem->bo or another attachment's */
+       KFD_MEM_ATT_USERPTR,    /* SG bo to DMA map pages from a userptr bo */
+};
+
 struct kfd_mem_attachment {
        struct list_head list;
+       enum kfd_mem_attachment_type type;
+       bool is_mapped;
        struct amdgpu_bo_va *bo_va;
        struct amdgpu_device *adev;
-       bool is_mapped;
        uint64_t va;
        uint64_t pte_flags;
 };