amdgpu: add sync_file import and export functions

v2: update amdgpu-symbol-check

Reviewed-by: Chunming Zhou <david1.zhou@amd.com>

diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index c5b85b5..bc9ed3f 100755 (executable)
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -40,6 +40,8 @@ amdgpu_cs_query_reset_state
 amdgpu_cs_signal_semaphore
 amdgpu_cs_submit
 amdgpu_cs_submit_raw
+amdgpu_cs_syncobj_export_sync_file
+amdgpu_cs_syncobj_import_sync_file
 amdgpu_cs_wait_fences
 amdgpu_cs_wait_semaphore
 amdgpu_device_deinitialize

diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 238b1aa..b44b9b6 100644 (file)
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1383,6 +1383,36 @@ int amdgpu_cs_import_syncobj(amdgpu_device_handle dev,
                             uint32_t *syncobj);
 
 /**
+ *  Export kernel sync object to a sync_file.
+ *
+ * \param   dev               - \c [in] device handle
+ * \param   syncobj    - \c [in] sync object handle
+ * \param   sync_file_fd - \c [out] sync_file file descriptor.
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_export_sync_file(amdgpu_device_handle dev,
+                                      uint32_t syncobj,
+                                      int *sync_file_fd);
+
+/**
+ *  Import kernel sync object from a sync_file.
+ *
+ * \param   dev               - \c [in] device handle
+ * \param   syncobj    - \c [in] sync object handle
+ * \param   sync_file_fd - \c [in] sync_file file descriptor.
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
+                                      uint32_t syncobj,
+                                      int sync_file_fd);
+
+/**
  *  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 dfba875..4a05536 100644 (file)
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -635,6 +635,26 @@ int amdgpu_cs_import_syncobj(amdgpu_device_handle dev,
        return drmSyncobjFDToHandle(dev->fd, shared_fd, handle);
 }
 
+int amdgpu_cs_syncobj_export_sync_file(amdgpu_device_handle dev,
+                                      uint32_t syncobj,
+                                      int *sync_file_fd)
+{
+       if (NULL == dev)
+               return -EINVAL;
+
+       return drmSyncobjExportSyncFile(dev->fd, syncobj, sync_file_fd);
+}
+
+int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
+                                      uint32_t syncobj,
+                                      int sync_file_fd)
+{
+       if (NULL == dev)
+               return -EINVAL;
+
+       return drmSyncobjImportSyncFile(dev->fd, syncobj, sync_file_fd);
+}
+
 int amdgpu_cs_submit_raw(amdgpu_device_handle dev,
                         amdgpu_context_handle context,
                         amdgpu_bo_list_handle bo_list_handle,