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/*
* Copyright (c) 2024, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "chry_mempool.h"
int chry_mempool_create(struct chry_mempool *pool, void *block, uint32_t block_size, uint32_t block_count)
{
uintptr_t addr;
uint8_t *ringbuf;
ringbuf = usb_osal_malloc(sizeof(uintptr_t) * block_count);
memset(ringbuf, 0, sizeof(uintptr_t) * block_count);
if (chry_ringbuffer_init(&pool->rb, ringbuf, sizeof(uintptr_t) * block_count) == -1) {
usb_osal_free(ringbuf);
return -1;
}
for (uint32_t i = 0; i < block_count; i++) {
addr = ((uintptr_t)block + i * block_size);
chry_ringbuffer_write(&pool->rb, &addr, sizeof(uintptr_t));
}
pool->mq = usb_osal_mq_create(block_count);
if (pool->mq == NULL) {
return -1;
}
return 0;
}
void chry_mempool_delete(struct chry_mempool *pool)
{
usb_osal_mq_delete(pool->mq);
chry_ringbuffer_reset(&pool->rb);
usb_osal_free(pool->rb.pool);
}
uintptr_t *chry_mempool_alloc(struct chry_mempool *pool)
{
uintptr_t *addr;
bool ret;
ret = chry_ringbuffer_read(&pool->rb, (uintptr_t *)&addr, sizeof(uintptr_t));
if (ret == false) {
return NULL;
} else {
return addr;
}
}
int chry_mempool_free(struct chry_mempool *pool, uintptr_t *item)
{
uintptr_t addr;
addr = (uintptr_t)item;
return chry_ringbuffer_write(&pool->rb, &addr, sizeof(uintptr_t));
}
int chry_mempool_send(struct chry_mempool *pool, uintptr_t *item)
{
return usb_osal_mq_send(pool->mq, (uintptr_t)item);
}
int chry_mempool_recv(struct chry_mempool *pool, uintptr_t **item, uint32_t timeout)
{
return usb_osal_mq_recv(pool->mq, (uintptr_t *)item, timeout);
}
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