va_prot.h

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/*
 * Copyright (c) 2020 Intel Corporation. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 */

#ifndef VA_PROT_H
#define VA_PROT_H

#ifdef __cplusplus
extern "C" {
#endif

typedef VAGenericID VAProtectedSessionID;

typedef enum _VA_TEE_EXEC_FUNCTION_ID {
  VA_TEE_EXECUTE_FUNCTION_ID_PASS_THROUGH = 0x00000001,
  VA_TEE_EXECUTE_FUNCTION_ID_GET_FIRMWARE_VERSION = 0x00000002,

} VA_TEE_EXECUTE_FUNCTION_ID;

typedef struct _VAProtectedSessionBuffer {
  /*
   * This is used when this buffer refer to output buffer. The maximum size of
   * data that the driver can return in the output buffer. It is not used for
   * input buffer.
   */
  uint32_t max_data_size;
  /*
   * If it is used for input buffer, it is the size of the input data. If it is
   * used for output buffer, it is the returns size of the output data written
   * by the driver.
   */
  uint32_t data_size;
  /*
   * data pointer of this buffer
   */
  void *data;
  uint32_t va_reserved[VA_PADDING_LOW];
} VAProtectedSessionBuffer;

typedef struct _VAProtectedSessionExecuteBuffer {
  uint32_t function_id;
  VAProtectedSessionBuffer input;
  VAProtectedSessionBuffer output;
  uint32_t status;
  uint32_t va_reserved[VA_PADDING_LOW];
} VAProtectedSessionExecuteBuffer;

VAStatus vaCreateProtectedSession(VADisplay dpy, VAConfigID config_id,
                                  VAProtectedSessionID *protected_session);

VAStatus vaDestroyProtectedSession(VADisplay dpy,
                                   VAProtectedSessionID protected_session);

VAStatus vaAttachProtectedSession(VADisplay dpy, VAGenericID id,
                                  VAProtectedSessionID protected_session);

VAStatus vaDetachProtectedSession(VADisplay dpy, VAGenericID id);

VAStatus vaProtectedSessionExecute(VADisplay dpy,
                                   VAProtectedSessionID protected_session,
                                   VABufferID buf_id);

#ifdef __cplusplus
}
#endif

#endif /* VA_PROT_H */