/****************************************************************************
*
*    Copyright (c) 2020 Vivante Corporation
*
*    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, sublicense,
*    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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
*    AUTHORS OR COPYRIGHT HOLDERS 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 SOFTWARE OR THE USE OR OTHER
*    DEALINGS IN THE SOFTWARE.
*
*****************************************************************************/
#ifndef _VSI_NN_RNN_PRV_H_
#define _VSI_NN_RNN_PRV_H_
#include "vsi_nn_types.h"
#include "vsi_nn_tensor.h"
#include "utils/vsi_nn_link_list.h"
#include "vsi_nn_rnn.h"

#if defined(__cplusplus)
extern "C"{
#endif

typedef struct
{
    vsi_nn_tensor_attr_t    attr;
    uint8_t*                data;
    size_t                  data_size; /* in bytes */
} vsi_nn_rnn_internal_buffer_t;

typedef struct
{
    vsi_nn_link_list_t link_list;
    vsi_nn_rnn_external_connection_t connection;
    vsi_nn_rnn_internal_buffer_t buffer;
    uint32_t connection_inputs_count;
    vsi_bool tensor_swappable;
} vsi_nn_rnn_connection_t;

typedef struct
{
    vsi_nn_rnn_connection_t* external_connection_list;
    void* user_data;
    vsi_bool is_first_run;
} vsi_nn_rnn_wksp_t;

#if defined(__cplusplus)
}
#endif

#endif