diff --git a/drivers/accel/rocket/rocket_drv.c b/drivers/accel/rocket/rocket_drv.c
index a6b486e2d4f648d7b1d8831590b633bf661c7bc4..cc3531f66839b777e7abc1d41cb50cffd9685ea0 100644
--- a/drivers/accel/rocket/rocket_drv.c
+++ b/drivers/accel/rocket/rocket_drv.c
@@ -58,6 +58,8 @@ static const struct drm_ioctl_desc rocket_drm_driver_ioctls[] = {
 
 	ROCKET_IOCTL(CREATE_BO, create_bo),
 	ROCKET_IOCTL(SUBMIT, submit),
+	ROCKET_IOCTL(PREP_BO, prep_bo),
+	ROCKET_IOCTL(FINI_BO, fini_bo),
 };
 
 DEFINE_DRM_ACCEL_FOPS(rocket_accel_driver_fops);
diff --git a/drivers/accel/rocket/rocket_gem.c b/drivers/accel/rocket/rocket_gem.c
index 7e7dd526d4050965efddacbfdab14fb136136c38..6a0a7f6958c34bce4611cfdf033590029c3ac026 100644
--- a/drivers/accel/rocket/rocket_gem.c
+++ b/drivers/accel/rocket/rocket_gem.c
@@ -138,4 +138,79 @@ int rocket_ioctl_create_bo(struct drm_device *dev, void *data, struct drm_file *
 	drm_gem_shmem_object_free(gem_obj);
 
 	return ret;
-}
\ No newline at end of file
+}
+
+static inline enum dma_data_direction rocket_op_to_dma_dir(u32 op)
+{
+	if (op & ROCKET_PREP_READ)
+		return DMA_FROM_DEVICE;
+	else if (op & ROCKET_PREP_WRITE)
+		return DMA_TO_DEVICE;
+	else
+		return DMA_BIDIRECTIONAL;
+}
+
+int rocket_ioctl_prep_bo(struct drm_device *dev, void *data, struct drm_file *file)
+{
+	struct drm_rocket_prep_bo *args = data;
+	unsigned long timeout = drm_timeout_abs_to_jiffies(args->timeout_ns);
+	struct rocket_device *rdev = to_rocket_device(dev);
+	struct drm_gem_object *gem_obj;
+	struct drm_gem_shmem_object *shmem_obj;
+	bool write = !!(args->op & ROCKET_PREP_WRITE);
+	long ret = 0;
+
+	if (args->op & ~(ROCKET_PREP_READ | ROCKET_PREP_WRITE))
+		return -EINVAL;
+
+	gem_obj = drm_gem_object_lookup(file, args->handle);
+	if (!gem_obj)
+		return -ENOENT;
+
+	ret = dma_resv_wait_timeout(gem_obj->resv, dma_resv_usage_rw(write),
+				    true, timeout);
+	if (!ret)
+		ret = timeout ? -ETIMEDOUT : -EBUSY;
+
+	shmem_obj = &to_rocket_bo(gem_obj)->base;
+
+	for (unsigned int core = 1; core < rdev->num_cores; core++) {
+		dma_sync_sgtable_for_cpu(rdev->cores[core].dev, shmem_obj->sgt,
+					 rocket_op_to_dma_dir(args->op));
+	}
+
+	to_rocket_bo(gem_obj)->last_cpu_prep_op = args->op;
+
+	drm_gem_object_put(gem_obj);
+
+	return ret;
+}
+
+int rocket_ioctl_fini_bo(struct drm_device *dev, void *data, struct drm_file *file)
+{
+	struct drm_rocket_fini_bo *args = data;
+	struct drm_gem_object *gem_obj;
+	struct rocket_gem_object *rkt_obj;
+	struct drm_gem_shmem_object *shmem_obj;
+	struct rocket_device *rdev = to_rocket_device(dev);
+
+	gem_obj = drm_gem_object_lookup(file, args->handle);
+	if (!gem_obj)
+		return -ENOENT;
+
+	rkt_obj = to_rocket_bo(gem_obj);
+	shmem_obj = &rkt_obj->base;
+
+	WARN_ON(rkt_obj->last_cpu_prep_op == 0);
+
+	for (unsigned int core = 1; core < rdev->num_cores; core++) {
+		dma_sync_sgtable_for_device(rdev->cores[core].dev, shmem_obj->sgt,
+					    rocket_op_to_dma_dir(rkt_obj->last_cpu_prep_op));
+	}
+
+	rkt_obj->last_cpu_prep_op = 0;
+
+	drm_gem_object_put(gem_obj);
+
+	return 0;
+}
diff --git a/drivers/accel/rocket/rocket_gem.h b/drivers/accel/rocket/rocket_gem.h
index 32bfb0673f014951ff3343fce1ad79a0adf173d9..1fd11441f5856c4b10ed77b63f34f157cd13e242 100644
--- a/drivers/accel/rocket/rocket_gem.h
+++ b/drivers/accel/rocket/rocket_gem.h
@@ -12,16 +12,21 @@ struct rocket_gem_object {
 	struct mutex mutex;
 	size_t size;
 	u32 offset;
+	u32 last_cpu_prep_op;
 };
 
 struct drm_gem_object *rocket_gem_create_object(struct drm_device *dev, size_t size);
 
 int rocket_ioctl_create_bo(struct drm_device *dev, void *data, struct drm_file *file);
 
+int rocket_ioctl_prep_bo(struct drm_device *dev, void *data, struct drm_file *file);
+
+int rocket_ioctl_fini_bo(struct drm_device *dev, void *data, struct drm_file *file);
+
 static inline
 struct  rocket_gem_object *to_rocket_bo(struct drm_gem_object *obj)
 {
 	return container_of(to_drm_gem_shmem_obj(obj), struct rocket_gem_object, base);
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/include/uapi/drm/rocket_accel.h b/include/uapi/drm/rocket_accel.h
index 3693686e84ecec58a2fbedcc3874f068771b7242..5b42a69f5a85207cc6e913fff36af1542af345f7 100644
--- a/include/uapi/drm/rocket_accel.h
+++ b/include/uapi/drm/rocket_accel.h
@@ -13,9 +13,13 @@ extern "C" {
 
 #define DRM_ROCKET_CREATE_BO			0x00
 #define DRM_ROCKET_SUBMIT			0x01
+#define DRM_ROCKET_PREP_BO			0x02
+#define DRM_ROCKET_FINI_BO			0x03
 
 #define DRM_IOCTL_ROCKET_CREATE_BO		DRM_IOWR(DRM_COMMAND_BASE + DRM_ROCKET_CREATE_BO, struct drm_rocket_create_bo)
 #define DRM_IOCTL_ROCKET_SUBMIT			DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_SUBMIT, struct drm_rocket_submit)
+#define DRM_IOCTL_ROCKET_PREP_BO		DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_PREP_BO, struct drm_rocket_prep_bo)
+#define DRM_IOCTL_ROCKET_FINI_BO		DRM_IOW(DRM_COMMAND_BASE + DRM_ROCKET_FINI_BO, struct drm_rocket_fini_bo)
 
 /**
  * struct drm_rocket_create_bo - ioctl argument for creating Rocket BOs.
@@ -38,6 +42,20 @@ struct drm_rocket_create_bo {
 	__u64 offset;
 };
 
+#define ROCKET_PREP_READ        0x01
+#define ROCKET_PREP_WRITE       0x02
+
+struct drm_rocket_prep_bo {
+	__u32 handle;		/* in */
+	__u32 op;		/* in, mask of ROCKET_PREP_x */
+	__s64 timeout_ns;	/* in */
+};
+
+struct drm_rocket_fini_bo {
+	__u32 handle;		/* in */
+	__u32 flags;		/* in, placeholder for now, no defined values */
+};
+
 /**
  * struct drm_rocket_task - A task to be run on the NPU
  *