// 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);
/* 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;
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