/*

 * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.

 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.

 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.

 *

 * This software is available to you under a choice of one of two

 * licenses.  You may choose to be licensed under the terms of the GNU

 * General Public License (GPL) Version 2, available from the file

 * COPYING in the main directory of this source tree, or the

 * OpenIB.org BSD license below:

 *

 *     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.

 *

 * 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.

 *

 */

#if HAVE_CONFIG_H

#  include <config.h>

#endif				/* HAVE_CONFIG_H */

#if defined(OSM_VENDOR_INTF_ANAFA)

#undef IN

#undef OUT

#include <stdlib.h>

#include <stddef.h>

#include <string.h>

#include <vendor/osm_vendor_api.h>

#include <opensm/osm_log.h>

#include <sys/ioctl.h>

#include <vendor/osm_vendor_mlx_transport_anafa.h>

#include <vendor/osm_ts_useraccess.h>

/********************************************************************************

 *

 * Provide the functionality for selecting an HCA Port and Obtaining it's guid.

 *

 ********************************************************************************/

typedef struct _osm_ca_info {

	/* ib_net64_t guid; ?? */

	/* size_t attr_size; ?? */

	ib_ca_attr_t attr;

} osm_ca_info_t;

/**********************************************************************

 * Convert the given GID to GUID by copy of it's upper 8 bytes

 **********************************************************************/

ib_api_status_t

__osm_vendor_gid_to_guid(IN tTS_IB_GID gid, OUT ib_net64_t * p_guid)

{

	memcpy(p_guid, gid + 8, 8);

	return (IB_SUCCESS);

}

/**********************************************************************

 * Initialize an Info Struct for the Given HCA by its Id

 **********************************************************************/

static ib_api_status_t

__osm_ca_info_init(IN osm_vendor_t * const p_vend,

		   OUT osm_ca_info_t * const p_ca_info)

{

	ib_api_status_t status = IB_ERROR;

	int ioctl_ret = 0;

	osmv_TOPSPIN_ANAFA_transport_info_t *p_tpot_info =

	    p_vend->p_transport_info;

	osm_ts_gid_entry_ioctl gid_ioctl;

	osm_ts_get_port_info_ioctl port_info;

	struct ib_get_dev_info_ioctl dev_info;

	OSM_LOG_ENTER(p_vend->p_log);

	/* query HCA guid */

	ioctl_ret = ioctl(p_tpot_info->device_fd, TS_IB_IOCGDEVINFO, &dev_info);

	if (ioctl_ret != 0) {

		osm_log(p_vend->p_log, OSM_LOG_ERROR,

			"__osm_ca_info_init: ERR 7001: "

			"Fail to get HCA Capabilities (%d).\n", ioctl_ret);

		goto Exit;

	}

	memcpy(&(p_ca_info->attr.ca_guid), dev_info.dev_info.node_guid,

	       8 * sizeof(uint8_t));

/* now obtain the attributes of the ports - on our case port 1*/

	p_ca_info->attr.num_ports = 1;

	p_ca_info->attr.p_port_attr =

	    (ib_port_attr_t *) malloc(1 * sizeof(ib_port_attr_t));

	port_info.port = 1;

	ioctl_ret =

	    ioctl(p_tpot_info->device_fd, TS_IB_IOCGPORTINFO, &port_info);

	if (ioctl_ret) {

		osm_log(p_vend->p_log, OSM_LOG_ERROR,

			"__osm_ca_info_init: ERR 7002: "

			"Fail to get HCA Port Attributes (%d).\n", ioctl_ret);

		goto Exit;

	}

	gid_ioctl.port = 1;

	gid_ioctl.index = 0;

	ioctl_ret =

	    ioctl(p_tpot_info->device_fd, TS_IB_IOCGGIDENTRY, &gid_ioctl);

	if (ioctl_ret) {

		osm_log(p_vend->p_log, OSM_LOG_ERROR,

			"__osm_ca_info_init: ERR 7003: "

			"Fail to get HCA Port GID (%d).\n", ioctl_ret);

		goto Exit;

	}

	__osm_vendor_gid_to_guid(gid_ioctl.gid_entry,

				 &(p_ca_info->attr.p_port_attr[0].port_guid));

	p_ca_info->attr.p_port_attr[0].lid = port_info.port_info.lid;

	p_ca_info->attr.p_port_attr[0].link_state =

	    port_info.port_info.port_state;

	p_ca_info->attr.p_port_attr[0].sm_lid = port_info.port_info.sm_lid;

	status = IB_SUCCESS;

Exit:

	OSM_LOG_EXIT(p_vend->p_log);

	return (status);

}

/**********************************************************************

 * Fill in port_attr

 * ALSO -

 * Update the vendor object list of ca_info structs

 **********************************************************************/

ib_api_status_t

osm_vendor_get_all_port_attr(IN osm_vendor_t * const p_vend,

			     IN ib_port_attr_t * const p_attr_array,

			     IN uint32_t * const p_num_ports)

{

	ib_api_status_t status;

	osm_ca_info_t ca_info;

	uint32_t attr_array_sz = *p_num_ports;

	OSM_LOG_ENTER(p_vend->p_log);

	CL_ASSERT(p_vend);

	/* anafa has one port - the user didnt supply enough storage space */

	if (attr_array_sz < 1) {

		status = IB_INSUFFICIENT_MEMORY;

		goto Exit;

	}

	/*

	 * retrieve the CA info attributes

	 */

	status = __osm_ca_info_init(p_vend, &ca_info);

	if (status != IB_SUCCESS) {

		osm_log(p_vend->p_log, OSM_LOG_ERROR,

			"osm_vendor_get_all_port_attr: ERR 7004: "

			"Unable to initialize CA Info object (%s).\n",

			ib_get_err_str(status));

		goto Exit;

	}

	*p_num_ports = 1;

	p_attr_array[0] = ca_info.attr.p_port_attr[0];	/* anafa has only one port */

	status = IB_SUCCESS;

Exit:

	OSM_LOG_EXIT(p_vend->p_log);

	return (status);

}

#endif