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-rwxr-xr-xamdgpu/amdgpu-symbol-check1
-rw-r--r--amdgpu/amdgpu.h14
-rw-r--r--amdgpu/amdgpu_cs.c22
3 files changed, 37 insertions, 0 deletions
diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index 7ecfc982..d9f89ef3 100755
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -34,6 +34,7 @@ amdgpu_cs_ctx_free
amdgpu_cs_destroy_semaphore
amdgpu_cs_destroy_syncobj
amdgpu_cs_export_syncobj
+amdgpu_cs_fence_to_handle
amdgpu_cs_import_syncobj
amdgpu_cs_query_fence_status
amdgpu_cs_query_reset_state
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 979acfc8..23cde108 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1433,6 +1433,20 @@ int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
int sync_file_fd);
/**
+ * Export an amdgpu fence as a handle (syncobj or fd).
+ *
+ * \param what AMDGPU_FENCE_TO_HANDLE_GET_{SYNCOBJ, FD}
+ * \param out_handle returned handle
+ *
+ * \return 0 on success\n
+ * <0 - Negative POSIX Error code
+ */
+int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,
+ struct amdgpu_cs_fence *fence,
+ uint32_t what,
+ uint32_t *out_handle);
+
+/**
* Submit raw command submission to kernel
*
* \param dev - \c [in] device handle
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 2cde7bff..9577d5c9 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -713,3 +713,25 @@ void amdgpu_cs_chunk_fence_to_dep(struct amdgpu_cs_fence *fence,
dep->ctx_id = fence->context->id;
dep->handle = fence->fence;
}
+
+int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,
+ struct amdgpu_cs_fence *fence,
+ uint32_t what,
+ uint32_t *out_handle)
+{
+ union drm_amdgpu_fence_to_handle fth = {0};
+ int r;
+
+ fth.in.fence.ctx_id = fence->context->id;
+ fth.in.fence.ip_type = fence->ip_type;
+ fth.in.fence.ip_instance = fence->ip_instance;
+ fth.in.fence.ring = fence->ring;
+ fth.in.fence.seq_no = fence->fence;
+ fth.in.what = what;
+
+ r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_FENCE_TO_HANDLE,
+ &fth, sizeof(fth));
+ if (r == 0)
+ *out_handle = fth.out.handle;
+ return r;
+}