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openairinterface5g/openair2/UTIL/MEM/mem_mngt.c
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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/***************************************************************************
mem_mngt.c - description
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
***************************************************************************/
#define MEM_MNGT_C
#include "rtos_header.h"
#include "platform.h"
#include "protocol_vars_extern.h"
#include "print.h"
#include "mem_block.h"
#include "mem_pool.h"
#include "lists_proto_extern.h"
#include "umts_sched.h"
//-----------------------------------------------------------------------------
#define DEBUG_MEM_MNGT_FREE
#define DEBUG_MEM_MNGT_ALLOC_SIZE
#define DEBUG_MEM_MNGT_ALLOC
#ifdef DEBUG_MEM_MNGT_ADDR
# define PRINT_MEM_MNGT_ADDR msg
#else
# define PRINT_MEM_MNGT_ADDR
//
#endif
//-----------------------------------------------------------------------------
#ifdef USER_MODE
uint32_t counters[11] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
#endif
//-----------------------------------------------------------------------------
/*
* initialize all ures
*/
void *
pool_buffer_init (void *arg)
{
//-----------------------------------------------------------------------------
uint32_t index, mb_index, pool_index;
mem_pool *memory = (mem_pool *) arg;
int pool_sizes[11] = { MEM_MNGT_MB0_NB_BLOCKS, MEM_MNGT_MB1_NB_BLOCKS,
MEM_MNGT_MB2_NB_BLOCKS, MEM_MNGT_MB3_NB_BLOCKS,
MEM_MNGT_MB4_NB_BLOCKS, MEM_MNGT_MB5_NB_BLOCKS,
MEM_MNGT_MB6_NB_BLOCKS, MEM_MNGT_MB7_NB_BLOCKS,
MEM_MNGT_MB8_NB_BLOCKS, MEM_MNGT_MB9_NB_BLOCKS,
MEM_MNGT_MBCOPY_NB_BLOCKS
};
memset (memory, 0, sizeof (mem_pool));
mb_index = 0;
// LG_TEST
for (pool_index = 0; pool_index <= MEM_MNGT_POOL_ID_COPY; pool_index++) {
init_list (&memory->mem_lists[pool_index], "POOL");
for (index = 0; index < pool_sizes[pool_index]; index++) {
//memory->mem_blocks[mb_index + index].previous = NULL; -> done in memset 0
//memory->mem_blocks[mb_index + index].next = NULL; -> done in memset 0
switch (pool_index) {
case 0:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool0[index][0]);
break;
case 1:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool1[index][0]);
break;
case 2:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool2[index][0]);
break;
case 3:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool3[index][0]);
break;
case 4:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool4[index][0]);
break;
case 5:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool5[index][0]);
break;
case 6:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool6[index][0]);
break;
case 7:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool7[index][0]);
break;
case 8:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool8[index][0]);
break;
case 9:
memory->mem_blocks[mb_index + index].data = &(memory->mem_pool9[index][0]);
break;
default:
;
memory->mem_blocks[mb_index + index].data = NULL; // pool copy
}
memory->mem_blocks[mb_index + index].pool_id = pool_index;
add_tail (&memory->mem_blocks[mb_index + index], &memory->mem_lists[pool_index]);
}
mb_index += pool_sizes[pool_index];
}
return 0;
}
//-----------------------------------------------------------------------------
void *
pool_buffer_clean (void *arg)
{
//-----------------------------------------------------------------------------
#ifndef NO_THREAD_SAFE
mem_pool *memory = (mem_pool *) arg;
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID0].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID1].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID2].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID3].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID4].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID5].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID6].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID7].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID8].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID9].mutex);
pthread_mutex_destroy (&memory->mem_lists[MEM_MNGT_POOL_ID_COPY].mutex);
#endif
return 0;
}
//-----------------------------------------------------------------------------
void
free_mem_block (mem_block_t * leP)
{
//-----------------------------------------------------------------------------
if (!(leP)) {
msg ("[MEM_MNGT][FREE] WARNING FREE NULL MEM_BLOCK\n");
return;
}
#ifdef DEBUG_MEM_MNGT_FREE
msg ("[MEM_MNGT][FREE] free_mem_block() %p pool: %d\n", leP, leP->pool_id);
#endif
#ifdef DEBUG_MEM_MNGT_ALLOC
check_free_mem_block (leP);
#endif
if (leP->pool_id <= MEM_MNGT_POOL_ID_COPY) {
add_tail (leP, &mem->mem_lists[leP->pool_id]);
#ifdef DEBUG_MEM_MNGT_ALLOC
counters[leP->pool_id] -= 1;
#endif
leP = NULL; // this prevent from freeing the block twice
} else {
msg ("[MEM_MNGT][FREE] ERROR free_mem_block() unknown pool_id : %d\n", leP->pool_id);
}
}
//-----------------------------------------------------------------------------
mem_block_t *
get_free_mem_block (uint16_t sizeP)
{
//-----------------------------------------------------------------------------
mem_block_t *le = NULL;
int pool_selected;
int size;
if (sizeP > MEM_MNGT_MB9_BLOCK_SIZE) {
msg ("[MEM_MNGT][ERROR][FATAL] size requested %d out of bounds %d\n",sizeP,MEM_MNGT_MB9_BLOCK_SIZE);
wcdma_handle_error (WCDMA_ERROR_OUT_OF_MEM_BLOCK);
return NULL;
}
size = sizeP >> 6;
pool_selected = 0;
while ((size)) {
pool_selected += 1;
size = size >> 1;
}
// pool is selected according to the size requested, now get a block
// if no block is available pick one in an other pool
do {
if ((le = remove_head (&mem->mem_lists[pool_selected]))) {
#ifdef DEBUG_MEM_MNGT_ALLOC
counters[pool_selected] += 1;
#endif
#ifdef DEBUG_MEM_MNGT_ALLOC_SIZE
msg ("[MEM_MNGT][INFO] ALLOC MEM_BLOCK SIZE %d bytes pool %d\n", sizeP, pool_selected);
#endif
return le;
}
#ifdef DEBUG_MEM_MNGT_ALLOC
msg ("[MEM_MNGT][ERROR][MINOR] memory pool %d is empty trying next pool alloc count = %d\n", pool_selected, counters[pool_selected]);
# ifdef USER_MODE
display_mem_load ();
check_mem_area (mem);
# endif
#endif
} while (pool_selected++ < 9);
msg ("[MEM_MNGT][ERROR][FATAL] size %d requested out of bounds or memory pools empty\n", sizeP);
wcdma_handle_error (WCDMA_ERROR_OUT_OF_MEM_BLOCK);
return NULL;
};
//-----------------------------------------------------------------------------
mem_block_t *
get_free_copy_mem_block (void)
{
//-----------------------------------------------------------------------------
mem_block_t *le;
if ((le = remove_head (&mem->mem_lists[MEM_MNGT_POOL_ID_COPY]))) {
return le;
} else {
msg ("[MEM_MNGT][ERROR] POOL COPY IS EMPTY\n");
display_mem_load ();
#ifdef DEBUG_MEM_MNGT_ALLOC
check_mem_area (mem);
break_point ();
#endif
wcdma_handle_error (WCDMA_ERROR_OUT_OF_MEM_BLOCK);
return NULL;
}
}
//-----------------------------------------------------------------------------
mem_block_t *
copy_mem_block (mem_block_t * leP, mem_block_t * destP)
{
//-----------------------------------------------------------------------------
if ((destP != NULL) && (leP != NULL) && (destP->pool_id == MEM_MNGT_POOL_ID_COPY)) {
destP->data = leP->data;
} else {
msg ("[MEM_MNGT][COPY] copy_mem_block() pool dest src or dest is NULL\n");
}
return destP;
}
//-----------------------------------------------------------------------------
void
display_mem_load (void)
{
//-----------------------------------------------------------------------------
msg ("POOL 0 (%d elements of %d Bytes): \n", MEM_MNGT_MB0_NB_BLOCKS, MEM_MNGT_MB0_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID0]);
msg ("POOL 1 (%d elements of %d Bytes): \n", MEM_MNGT_MB1_NB_BLOCKS, MEM_MNGT_MB1_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID1]);
msg ("POOL 2 (%d elements of %d Bytes): \n", MEM_MNGT_MB2_NB_BLOCKS, MEM_MNGT_MB2_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID2]);
msg ("POOL 3 (%d elements of %d Bytes): \n", MEM_MNGT_MB3_NB_BLOCKS, MEM_MNGT_MB3_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID3]);
msg ("POOL 4 (%d elements of %d Bytes): \n", MEM_MNGT_MB4_NB_BLOCKS, MEM_MNGT_MB4_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID4]);
msg ("POOL 5 (%d elements of %d Bytes): \n", MEM_MNGT_MB5_NB_BLOCKS, MEM_MNGT_MB5_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID5]);
msg ("POOL 6 (%d elements of %d Bytes): \n", MEM_MNGT_MB6_NB_BLOCKS, MEM_MNGT_MB6_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID6]);
msg ("POOL 7 (%d elements of %d Bytes): \n", MEM_MNGT_MB7_NB_BLOCKS, MEM_MNGT_MB7_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID7]);
msg ("POOL 8 (%d elements of %d Bytes): \n", MEM_MNGT_MB8_NB_BLOCKS, MEM_MNGT_MB8_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID8]);
msg ("POOL 9 (%d elements of %d Bytes): \n", MEM_MNGT_MB9_NB_BLOCKS, MEM_MNGT_MB9_BLOCK_SIZE);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID9]);
msg ("POOL C (%d elements): \n", MEM_MNGT_MBCOPY_NB_BLOCKS);
display_list (&mem->mem_lists[MEM_MNGT_POOL_ID_COPY]);
}
//-----------------------------------------------------------------------------
void
check_mem_area (void *arg)
{
//-----------------------------------------------------------------------------
int index, mb_index;
mem_pool *memory = (mem_pool *) arg;
for (index = 0; index < MEM_MNGT_MB0_NB_BLOCKS; index++) {
if ((memory->mem_blocks[index].data != &(memory->mem_pool0[index][0])) && (memory->mem_blocks[index].pool_id != MEM_MNGT_POOL_ID0)) {
msg ("[MEM] ERROR POOL0 block index %d\n", index);
break_point ();
}
}
mb_index = MEM_MNGT_MB0_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB1_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool1[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID1)) {
msg ("[MEM] ERROR POOL1 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB1_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB2_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool2[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID2)) {
msg ("[MEM] ERROR POOL2 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB2_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB3_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool3[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID3)) {
msg ("[MEM] ERROR POOL3 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB3_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB4_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool4[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID4)) {
msg ("[MEM] ERROR POOL4 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB4_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB5_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool5[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID5)) {
msg ("[MEM] ERROR POOL5 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB5_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB6_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool6[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID6)) {
msg ("[MEM] ERROR POOL6 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB6_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB7_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool7[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID7)) {
msg ("[MEM] ERROR POOL7 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB7_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB8_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool8[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID8)) {
msg ("[MEM] ERROR POOL8 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB8_NB_BLOCKS;
for (index = 0; index < MEM_MNGT_MB9_NB_BLOCKS; index++) {
if ((memory->mem_blocks[mb_index + index].data != &(memory->mem_pool9[index][0])) && (memory->mem_blocks[mb_index + index].pool_id != MEM_MNGT_POOL_ID9)) {
msg ("[MEM] ERROR POOL9 block index %d\n", index);
break_point ();
}
}
mb_index += MEM_MNGT_MB9_NB_BLOCKS;
for (index = mb_index; index < MEM_MNGT_NB_ELEMENTS; index++) {
if ((memory->mem_blocks[index].data != NULL) && (memory->mem_blocks[index].pool_id != MEM_MNGT_POOL_ID_COPY)) {
msg ("[MEM] ERROR POOL COPY block index %d\n", index);
break_point ();
}
}
}
//-----------------------------------------------------------------------------
void
check_free_mem_block (mem_block_t * leP)
{
//-----------------------------------------------------------------------------
int block_index;
if ((leP >= &mem->mem_blocks[0]) && (leP <= &mem->mem_blocks[MEM_MNGT_NB_ELEMENTS])) {
block_index = ((uint32_t) leP - (uint32_t) (&mem->mem_blocks[0])) / sizeof (mem_block_t);
if (block_index < MEM_MNGT_MB0_NB_BLOCKS) {
if (((uint32_t) (leP->data) != (uint32_t) (&(mem->mem_pool0[block_index][0]))) && (leP->pool_id != MEM_MNGT_POOL_ID0)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index < (MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS)) {
if ((leP->data != &(mem->mem_pool1[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID1)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index < MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool2[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID2)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index < MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS + MEM_MNGT_MB3_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool3[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID3)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index < MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS + MEM_MNGT_MB3_NB_BLOCKS + MEM_MNGT_MB4_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool4[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID4)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index < MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS + MEM_MNGT_MB3_NB_BLOCKS + MEM_MNGT_MB4_NB_BLOCKS +
MEM_MNGT_MB5_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool5[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID5)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index <
MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS + MEM_MNGT_MB3_NB_BLOCKS + MEM_MNGT_MB4_NB_BLOCKS + MEM_MNGT_MB5_NB_BLOCKS +
MEM_MNGT_MB6_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool6[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID6)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index <
MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS + MEM_MNGT_MB3_NB_BLOCKS + MEM_MNGT_MB4_NB_BLOCKS + MEM_MNGT_MB5_NB_BLOCKS +
MEM_MNGT_MB6_NB_BLOCKS +
MEM_MNGT_MB7_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool7[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID7)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index <
MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS + MEM_MNGT_MB3_NB_BLOCKS + MEM_MNGT_MB4_NB_BLOCKS + MEM_MNGT_MB5_NB_BLOCKS +
MEM_MNGT_MB6_NB_BLOCKS +
MEM_MNGT_MB7_NB_BLOCKS + MEM_MNGT_MB8_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool8[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID8)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
} else if (block_index <
MEM_MNGT_MB0_NB_BLOCKS + MEM_MNGT_MB1_NB_BLOCKS + MEM_MNGT_MB2_NB_BLOCKS + MEM_MNGT_MB3_NB_BLOCKS + MEM_MNGT_MB4_NB_BLOCKS + MEM_MNGT_MB5_NB_BLOCKS +
MEM_MNGT_MB6_NB_BLOCKS +
MEM_MNGT_MB7_NB_BLOCKS + MEM_MNGT_MB8_NB_BLOCKS + MEM_MNGT_MB9_NB_BLOCKS) {
if ((leP->data != &(mem->mem_pool9[block_index][0])) && (leP->pool_id != MEM_MNGT_POOL_ID9)) {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
}
} else {
msg ("[MEM][ERROR][FATAL] free mem block is corrupted\n");
}
}
//-----------------------------------------------------------------------------
void
break_point (void)
{
//-----------------------------------------------------------------------------
int break_var;
msg ("[BREAK_POINT]\n");
break_var = 1;
}
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