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  1/* Copyright 2013-2014 Freescale Semiconductor Inc.
  2*
  3* Redistribution and use in source and binary forms, with or without
  4* modification, are permitted provided that the following conditions are met:
  5* * Redistributions of source code must retain the above copyright
  6* notice, this list of conditions and the following disclaimer.
  7* * Redistributions in binary form must reproduce the above copyright
  8* notice, this list of conditions and the following disclaimer in the
  9* documentation and/or other materials provided with the distribution.
 10* * Neither the name of the above-listed copyright holders nor the
 11* names of any contributors may be used to endorse or promote products
 12* derived from this software without specific prior written permission.
 13*
 14*
 15* ALTERNATIVELY, this software may be distributed under the terms of the
 16* GNU General Public License ("GPL") as published by the Free Software
 17* Foundation, either version 2 of that License or (at your option) any
 18* later version.
 19*
 20* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 21* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 22* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 23* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 24* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 25* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 26* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 27* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 28* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 29* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 30* POSSIBILITY OF SUCH DAMAGE.
 31*/
 32#include "../include/mc-sys.h"
 33#include "../include/mc-cmd.h"
 34#include "../include/dpmng.h"
 35#include "dpmng-cmd.h"
 36
 37/**
 38 * mc_get_version() - Retrieves the Management Complex firmware
 39 *			version information
 40 * @mc_io:		Pointer to opaque I/O object
 41 * @cmd_flags:		Command flags; one or more of 'MC_CMD_FLAG_'
 42 * @mc_ver_info:	Returned version information structure
 43 *
 44 * Return:	'0' on Success; Error code otherwise.
 45 */
 46int mc_get_version(struct fsl_mc_io *mc_io,
 47		   u32 cmd_flags,
 48		   struct mc_version *mc_ver_info)
 49{
 50	struct mc_command cmd = { 0 };
 51	int err;
 52
 53	/* prepare command */
 54	cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION,
 55					  cmd_flags,
 56					  0);
 57
 58	/* send command to mc*/
 59	err = mc_send_command(mc_io, &cmd);
 60	if (err)
 61		return err;
 62
 63	/* retrieve response parameters */
 64	mc_ver_info->revision = mc_dec(cmd.params[0], 0, 32);
 65	mc_ver_info->major = mc_dec(cmd.params[0], 32, 32);
 66	mc_ver_info->minor = mc_dec(cmd.params[1], 0, 32);
 67
 68	return 0;
 69}
 70
 71/**
 72 * dpmng_get_container_id() - Get container ID associated with a given portal.
 73 * @mc_io:		Pointer to MC portal's I/O object
 74 * @cmd_flags:		Command flags; one or more of 'MC_CMD_FLAG_'
 75 * @container_id:	Requested container ID
 76 *
 77 * Return:	'0' on Success; Error code otherwise.
 78 */
 79int dpmng_get_container_id(struct fsl_mc_io *mc_io,
 80			   u32 cmd_flags,
 81			   int *container_id)
 82{
 83	struct mc_command cmd = { 0 };
 84	int err;
 85
 86	/* prepare command */
 87	cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_CONT_ID,
 88					  cmd_flags,
 89					  0);
 90
 91	/* send command to mc*/
 92	err = mc_send_command(mc_io, &cmd);
 93	if (err)
 94		return err;
 95
 96	/* retrieve response parameters */
 97	*container_id = mc_dec(cmd.params[0], 0, 32);
 98
 99	return 0;
100}
101