143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
|
|
/*
|
|
* Copyright 2008 - 2015 Freescale Semiconductor Inc.
|
|
*/
|
|
|
|
#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);
|
|
|