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/*
* Copyright 2008 - 2015 Freescale Semiconductor Inc.
*
* 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 Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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.
*/
#include "fman_sp.h"
#include "fman.h"
void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools
*fm_ext_pools,
u8 *ordered_array,
u16 *sizes_array)
{
u16 buf_size = 0;
int i = 0, j = 0, k = 0;
/* First we copy the external buffers pools information
* to an ordered local array
*/
for (i = 0; i < fm_ext_pools->num_of_pools_used; i++) {
/* get pool size */
buf_size = fm_ext_pools->ext_buf_pool[i].size;
/* keep sizes in an array according to poolId
* for direct access
*/
sizes_array[fm_ext_pools->ext_buf_pool[i].id] = buf_size;
/* save poolId in an ordered array according to size */
for (j = 0; j <= i; j++) {
/* this is the next free place in the array */
if (j == i)
ordered_array[i] =
fm_ext_pools->ext_buf_pool[i].id;
else {
/* find the right place for this poolId */
if (buf_size < sizes_array[ordered_array[j]]) {
/* move the pool_ids one place ahead
* to make room for this poolId
*/
for (k = i; k > j; k--)
ordered_array[k] =
ordered_array[k - 1];
/* now k==j, this is the place for
* the new size
*/
ordered_array[k] =
fm_ext_pools->ext_buf_pool[i].id;
break;
}
}
}
}
}
EXPORT_SYMBOL(fman_sp_set_buf_pools_in_asc_order_of_buf_sizes);
int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy *
int_context_data_copy,
struct fman_buffer_prefix_content *
buffer_prefix_content,
struct fman_sp_buf_margins *buf_margins,
struct fman_sp_buffer_offsets *buffer_offsets,
u8 *internal_buf_offset)
{
u32 tmp;
/* Align start of internal context data to 16 byte */
int_context_data_copy->ext_buf_offset = (u16)
((buffer_prefix_content->priv_data_size & (OFFSET_UNITS - 1)) ?
((buffer_prefix_content->priv_data_size + OFFSET_UNITS) &
~(u16)(OFFSET_UNITS - 1)) :
buffer_prefix_content->priv_data_size);
/* Translate margin and int_context params to FM parameters */
/* Initialize with illegal value. Later we'll set legal values. */
buffer_offsets->prs_result_offset = (u32)ILLEGAL_BASE;
buffer_offsets->time_stamp_offset = (u32)ILLEGAL_BASE;
buffer_offsets->hash_result_offset = (u32)ILLEGAL_BASE;
/* Internally the driver supports 4 options
* 1. prsResult/timestamp/hashResult selection (in fact 8 options,
* but for simplicity we'll
* relate to it as 1).
* 2. All IC context (from AD) not including debug.
*/
/* This case covers the options under 1 */
/* Copy size must be in 16-byte granularity. */
int_context_data_copy->size =
(u16)((buffer_prefix_content->pass_prs_result ? 32 : 0) +
((buffer_prefix_content->pass_time_stamp ||
buffer_prefix_content->pass_hash_result) ? 16 : 0));
/* Align start of internal context data to 16 byte */
int_context_data_copy->int_context_offset =
(u8)(buffer_prefix_content->pass_prs_result ? 32 :
((buffer_prefix_content->pass_time_stamp ||
buffer_prefix_content->pass_hash_result) ? 64 : 0));
if (buffer_prefix_content->pass_prs_result)
buffer_offsets->prs_result_offset =
int_context_data_copy->ext_buf_offset;
if (buffer_prefix_content->pass_time_stamp)
buffer_offsets->time_stamp_offset =
buffer_prefix_content->pass_prs_result ?
(int_context_data_copy->ext_buf_offset +
sizeof(struct fman_prs_result)) :
int_context_data_copy->ext_buf_offset;
if (buffer_prefix_content->pass_hash_result)
/* If PR is not requested, whether TS is
* requested or not, IC will be copied from TS
*/
buffer_offsets->hash_result_offset =
buffer_prefix_content->pass_prs_result ?
(int_context_data_copy->ext_buf_offset +
sizeof(struct fman_prs_result) + 8) :
int_context_data_copy->ext_buf_offset + 8;
if (int_context_data_copy->size)
buf_margins->start_margins =
(u16)(int_context_data_copy->ext_buf_offset +
int_context_data_copy->size);
else
/* No Internal Context passing, STartMargin is
* immediately after private_info
*/
buf_margins->start_margins =
buffer_prefix_content->priv_data_size;
/* align data start */
tmp = (u32)(buf_margins->start_margins %
buffer_prefix_content->data_align);
if (tmp)
buf_margins->start_margins +=
(buffer_prefix_content->data_align - tmp);
buffer_offsets->data_offset = buf_margins->start_margins;
return 0;
}
EXPORT_SYMBOL(fman_sp_build_buffer_struct);
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