[PATCH v5 03/25] drm/gpuvm: Support flags in drm_gpuva_op_map

[Himal Prasad Ghimiray]

This change adds support for passing flags to drm_gpuvm_sm_map() and
sm_map_ops_create(), enabling future extensions that affect split/merge
logic in drm_gpuvm.

Cc: Danilo Krummrich <dakr at redhat.com>
Cc: Boris Brezillon <bbrezillon at kernel.org>
Cc: Caterina Shablia <caterina.shablia at collabora.com>
Cc: Matthew Brost <matthew.brost at intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
---
 include/drm/drm_gpuvm.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
index 2d24d000f2ee..75c616fdc119 100644
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -810,6 +810,12 @@ enum drm_gpuva_op_type {
 	DRM_GPUVA_OP_DRIVER,
 };
 
+/** DOC: flags for struct drm_gpuva_op_map
+ *  %DRM_GPUVM_SM_MAP_OPS_FLAG_NONE DEFAULT split and merge,
+ *  It cannot be combined with other flags.
+ */
+#define DRM_GPUVM_SM_MAP_OPS_FLAG_NONE 0
+
 /**
  * struct drm_gpuva_op_map - GPU VA map operation
  *
@@ -847,6 +853,13 @@ struct drm_gpuva_op_map {
 		 */
 		struct drm_gem_object *obj;
 	} gem;
+
+	/**
+	 * @flags: Bitmask of DRM_GPUVM_SM_MAP_* flags.
+	 * Use DRM_GPUVM_SM_MAP_OPS_FLAG_NONE (0) for default split merge.
+	 * It cannot be combined with other flags.
+	 */
+	u32 flags;
 };
 
 /**
-- 
2.34.1