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/**
 * @file metadatav1.h
 * @brief GBS metadata version 1
 *
 * Defines the data types, parse function, and release function
 * for version 1 of the GBS metadata.
 *
 */

#ifndef __OPAE_METADATAV1_H__
#define __OPAE_METADATAV1_H__

#include <json-c/json.h>
#include <opae/types.h>

/**
 * Defines an AFU by its name and GUID.
 */
typedef struct _opae_metadata_accelerator_cluster_v1 {
	int total_contexts;
	char *name;
	char *accelerator_type_uuid;
} opae_metadata_accelerator_cluster_v1;

/**
 * Details of required clock frequencies, power threshold,
 * and Partial Reconfiguration interface.
 */
typedef struct _opae_metadata_afu_image_v1 {
	double clock_frequency_high;
	double clock_frequency_low;
	double power;
	char *interface_uuid;
	int magic_no;
	int num_clusters;
	opae_metadata_accelerator_cluster_v1 *accelerator_clusters;
} opae_metadata_afu_image_v1;

/**
 * Metadata version (1), image details, and platform name.
 *
 */
typedef struct _opae_bitstream_metadata_v1 {
	int version;
	opae_metadata_afu_image_v1 afu_image;
	char *platform_name;
} opae_bitstream_metadata_v1;

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/**
 * Parse a version 1 GBS metadata from its JSON object.
 *
 * @param[in] root The root of the JSON object as produced by
 * libjson.
 * @param[out] pr_interface_id The GUID for the Partial
 * Reconfiguration interface required by the GBS.
 *
 * @returns An allocated and populated version 1 metadata
 * object. NULL on failed memory allocation or invalid
 * metadata format.
 *
 * @note Allocates memory that must be tracked and
 * subsequently released by calling
 * `opae_bitstream_release_metadata_v1`.
 */
opae_bitstream_metadata_v1 *
opae_bitstream_parse_metadata_v1(json_object *root,
				 fpga_guid pr_interface_id);

/**
 * Release a parsed metadata version 1 object.
 *
 * @param[in] md The metadata object to be released.
 */
void opae_bitstream_release_metadata_v1(opae_bitstream_metadata_v1 *md);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __OPAE_METADATAV1_H__ */