// Copyright(c) 2018, Intel Corporation

//

// Redistribution  and  use  in source  and  binary  forms,  with  or  without

// modification, are permitted provided that the following conditions are met:

//

// * Redistributions of  source code  must retain the  above copyright notice,

//   this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above copyright notice,

//   this list of conditions and the following disclaimer in the documentation

//   and/or other materials provided with the distribution.

// * Neither the name  of Intel Corporation  nor the names of its contributors

//   may be used to  endorse or promote  products derived  from this  software

//   without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT NOT LIMITED TO,  THE

// IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

// ARE DISCLAIMED.  IN NO EVENT  SHALL THE COPYRIGHT OWNER  OR CONTRIBUTORS BE

// LIABLE  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR

// CONSEQUENTIAL  DAMAGES  (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT  OF

// SUBSTITUTE GOODS OR SERVICES;  LOSS OF USE,  DATA, OR PROFITS;  OR BUSINESS

// INTERRUPTION)  HOWEVER CAUSED  AND ON ANY THEORY  OF LIABILITY,  WHETHER IN

// CONTRACT,  STRICT LIABILITY,  OR TORT  (INCLUDING NEGLIGENCE  OR OTHERWISE)

// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,  EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

#ifndef __OPAE_ADAPTER_H__

#define __OPAE_ADAPTER_H__

#include <stdbool.h>

#include <opae/types.h>

typedef struct _opae_plugin {

	char *path;      // location on file system

	void *dl_handle; // handle to the loaded library instance

} opae_plugin;

typedef struct _opae_api_adapter_table {

	struct _opae_api_adapter_table *next;

	opae_plugin plugin;

	fpga_result (*fpgaOpen)(fpga_token token, fpga_handle *handle,

				int flags);

	fpga_result (*fpgaClose)(fpga_handle handle);

	fpga_result (*fpgaReset)(fpga_handle handle);

	fpga_result (*fpgaGetPropertiesFromHandle)(fpga_handle handle,

						   fpga_properties *prop);

	fpga_result (*fpgaGetProperties)(fpga_token token,

					 fpga_properties *prop);

	fpga_result (*fpgaUpdateProperties)(fpga_token token,

					    fpga_properties prop);

	fpga_result (*fpgaWriteMMIO64)(fpga_handle handle, uint32_t mmio_num,

				       uint64_t offset, uint64_t value);

	fpga_result (*fpgaReadMMIO64)(fpga_handle handle, uint32_t mmio_num,

				      uint64_t offset, uint64_t *value);

	fpga_result (*fpgaWriteMMIO32)(fpga_handle handle, uint32_t mmio_num,

				       uint64_t offset, uint32_t value);

	fpga_result (*fpgaReadMMIO32)(fpga_handle handle, uint32_t mmio_num,

				      uint64_t offset, uint32_t *value);

	fpga_result (*fpgaWriteMMIO512)(fpga_handle handle, uint32_t mmio_num,

				       uint64_t offset, void *value);

	fpga_result (*fpgaMapMMIO)(fpga_handle handle, uint32_t mmio_num,

				   uint64_t **mmio_ptr);

	fpga_result (*fpgaUnmapMMIO)(fpga_handle handle, uint32_t mmio_num);

	fpga_result (*fpgaEnumerate)(const fpga_properties *filters,

				     uint32_t num_filters, fpga_token *tokens,

				     uint32_t max_tokens,

				     uint32_t *num_matches);

	fpga_result (*fpgaCloneToken)(fpga_token src, fpga_token *dst);

	fpga_result (*fpgaDestroyToken)(fpga_token *token);

	fpga_result (*fpgaGetNumUmsg)(fpga_handle handle, uint64_t *value);

	fpga_result (*fpgaSetUmsgAttributes)(fpga_handle handle,

					     uint64_t value);

	fpga_result (*fpgaTriggerUmsg)(fpga_handle handle, uint64_t value);

	fpga_result (*fpgaGetUmsgPtr)(fpga_handle handle, uint64_t **umsg_ptr);

	fpga_result (*fpgaPrepareBuffer)(fpga_handle handle, uint64_t len,

					 void **buf_addr, uint64_t *wsid,

					 int flags);

	fpga_result (*fpgaReleaseBuffer)(fpga_handle handle, uint64_t wsid);

	fpga_result (*fpgaGetIOAddress)(fpga_handle handle, uint64_t wsid,

					uint64_t *ioaddr);

	/*

	**	fpga_result (*fpgaGetOPAECVersion)(fpga_version *version);

	**

	**	fpga_result (*fpgaGetOPAECVersionString)(char *version_str,

	**  size_t len);

	**

	**	fpga_result (*fpgaGetOPAECBuildString)(char *build_str, size_t

	**   len);

	*/

	fpga_result (*fpgaReadError)(fpga_token token, uint32_t error_num,

				     uint64_t *value);

	fpga_result (*fpgaClearError)(fpga_token token, uint32_t error_num);

	fpga_result (*fpgaClearAllErrors)(fpga_token token);

	fpga_result (*fpgaGetErrorInfo)(fpga_token token, uint32_t error_num,

					struct fpga_error_info *error_info);

	/*

	**	const char *(*fpgaErrStr)(fpga_result e);

	*/

	fpga_result (*fpgaCreateEventHandle)(fpga_event_handle *event_handle);

	fpga_result (*fpgaDestroyEventHandle)(fpga_event_handle *event_handle);

	fpga_result (*fpgaGetOSObjectFromEventHandle)(

		const fpga_event_handle eh, int *fd);

	fpga_result (*fpgaRegisterEvent)(fpga_handle handle,

					 fpga_event_type event_type,

					 fpga_event_handle event_handle,

					 uint32_t flags);

	fpga_result (*fpgaUnregisterEvent)(fpga_handle handle,

					   fpga_event_type event_type,

					   fpga_event_handle event_handle);

	fpga_result (*fpgaAssignPortToInterface)(fpga_handle fpga,

						 uint32_t interface_num,

						 uint32_t slot_num, int flags);

	fpga_result (*fpgaAssignToInterface)(fpga_handle fpga,

					     fpga_token accelerator,

					     uint32_t host_interface,

					     int flags);

	fpga_result (*fpgaReleaseFromInterface)(fpga_handle fpga,

						fpga_token accelerator);

	fpga_result (*fpgaReconfigureSlot)(fpga_handle fpga, uint32_t slot,

					   const uint8_t *bitstream,

					   size_t bitstream_len, int flags);

	fpga_result (*fpgaTokenGetObject)(fpga_token token, const char *name,

					  fpga_object *object, int flags);

	fpga_result (*fpgaHandleGetObject)(fpga_handle handle, const char *name,

					   fpga_object *object, int flags);

	fpga_result (*fpgaObjectGetObject)(fpga_object parent, const char *name,

					   fpga_object *object, int flags);

	fpga_result (*fpgaObjectGetObjectAt)(fpga_object parent, size_t index,

					   fpga_object *object);

	fpga_result (*fpgaDestroyObject)(fpga_object *obj);

	fpga_result (*fpgaObjectRead)(fpga_object obj, uint8_t *buffer,

				      size_t offset, size_t len, int flags);

	fpga_result (*fpgaObjectRead64)(fpga_object obj, uint64_t *value,

					int flags);

	fpga_result (*fpgaObjectGetSize)(fpga_object obj, uint64_t *value,

					 int flags);

	fpga_result (*fpgaObjectGetType)(fpga_object obj,

					 enum fpga_sysobject_type *type);

	fpga_result (*fpgaObjectWrite64)(fpga_object obj, uint64_t value,

					 int flags);

	fpga_result (*fpgaSetUserClock)(fpga_handle handle, uint64_t high_clk,

					uint64_t low_clk, int flags);

	fpga_result (*fpgaGetUserClock)(fpga_handle handle, uint64_t *high_clk,

					uint64_t *low_clk, int flags);

	fpga_result (*fpgaGetNumMetrics)(fpga_handle handle, uint64_t *num_metrics);

	fpga_result (*fpgaGetMetricsInfo)(fpga_handle handle,

					fpga_metric_info *metric_info,

					uint64_t *num_metrics);

	fpga_result (*fpgaGetMetricsByIndex)(fpga_handle handle,

					uint64_t *metric_num,

					uint64_t num_metric_indexes,

					fpga_metric *metrics);

	fpga_result(*fpgaGetMetricsByName)(fpga_handle handle,

					char **metrics_names,

					uint64_t num_metric_names,

					fpga_metric *metrics);

	fpga_result(*fpgaGetMetricsThresholdInfo)(fpga_handle handle,

		metric_threshold *metric_thresholds,

		uint32_t *num_thresholds);

	// configuration functions

	int (*initialize)(void);

	int (*finalize)(void);

	// first-level query

	bool (*supports_device)(const char *device_type);

	bool (*supports_host)(const char *hostname);

} opae_api_adapter_table;

#endif /* __OPAE_ADAPTER_H__ */